51475725

素因数分解:

$3^2\times 5^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:89

約数の個数: 144

約数和(自身を含む): 116064000

約数和(自身を除く): 64588275

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 29, 35, 45, 49, 63, 69, 75, 87, 105, 115, 145, 147, 161, 175, 203, 207, 225, 245, 261, 315, 343, 345, 435, 441, 483, 525, 575, 609, 667, 725, 735, 805, 1015, 1029, 1035, 1127, 1225, 1305, 1421, 1449, 1575, 1715, 1725, 1827, 2001, 2175, 2205, 2415, 3045, 3087, 3335, 3381, 3675, 4025, 4263, 4669, 5075, 5145, 5175, 5635, 6003, 6525, 7105, 7245, 7889, 8575, 9135, 9947, 10005, 10143, 11025, 12075, 12789, 14007, 15225, 15435, 16675, 16905, 21315, 23345, 23667, 25725, 28175, 29841, 30015, 32683, 35525, 36225, 39445, 42021, 45675, 49735, 50025, 50715, 63945, 70035, 71001, 77175, 84525, 89523, 98049, 106575, 116725, 118335, 149205, 150075, 163415, 197225, 210105, 228781, 248675, 253575, 294147, 319725, 350175, 355005, 447615, 490245, 591675, 686343, 746025, 817075, 1050525, 1143905, 1470735, 1775025, 2059029, 2238075, 2451225, 3431715, 5719525, 7353675, 10295145, 17158575, 51475725]

約数ペア:

[(1, 51475725), (3, 17158575), (5, 10295145), (7, 7353675), (9, 5719525), (15, 3431715), (21, 2451225), (23, 2238075), (25, 2059029), (29, 1775025), (35, 1470735), (45, 1143905), (49, 1050525), (63, 817075), (69, 746025), (75, 686343), (87, 591675), (105, 490245), (115, 447615), (145, 355005), (147, 350175), (161, 319725), (175, 294147), (203, 253575), (207, 248675), (225, 228781), (245, 210105), (261, 197225), (315, 163415), (343, 150075), (345, 149205), (435, 118335), (441, 116725), (483, 106575), (525, 98049), (575, 89523), (609, 84525), (667, 77175), (725, 71001), (735, 70035), (805, 63945), (1015, 50715), (1029, 50025), (1035, 49735), (1127, 45675), (1225, 42021), (1305, 39445), (1421, 36225), (1449, 35525), (1575, 32683), (1715, 30015), (1725, 29841), (1827, 28175), (2001, 25725), (2175, 23667), (2205, 23345), (2415, 21315), (3045, 16905), (3087, 16675), (3335, 15435), (3381, 15225), (3675, 14007), (4025, 12789), (4263, 12075), (4669, 11025), (5075, 10143), (5145, 10005), (5175, 9947), (5635, 9135), (6003, 8575), (6525, 7889), (7105, 7245)]