28045395

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 59904000

約数和(自身を除く): 31858605

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 63, 69, 79, 105, 115, 147, 161, 207, 237, 245, 315, 343, 345, 395, 441, 483, 553, 711, 735, 805, 1029, 1035, 1127, 1185, 1449, 1659, 1715, 1817, 2205, 2415, 2765, 3087, 3381, 3555, 3871, 4977, 5145, 5451, 5635, 7245, 7889, 8295, 9085, 10143, 11613, 12719, 15435, 16353, 16905, 19355, 23667, 24885, 27097, 27255, 34839, 38157, 39445, 50715, 58065, 63595, 71001, 81291, 81765, 89033, 114471, 118335, 135485, 174195, 190785, 243873, 267099, 355005, 406455, 445165, 572355, 623231, 801297, 1219365, 1335495, 1869693, 3116155, 4006485, 5609079, 9348465, 28045395]

約数ペア:

[(1, 28045395), (3, 9348465), (5, 5609079), (7, 4006485), (9, 3116155), (15, 1869693), (21, 1335495), (23, 1219365), (35, 801297), (45, 623231), (49, 572355), (63, 445165), (69, 406455), (79, 355005), (105, 267099), (115, 243873), (147, 190785), (161, 174195), (207, 135485), (237, 118335), (245, 114471), (315, 89033), (343, 81765), (345, 81291), (395, 71001), (441, 63595), (483, 58065), (553, 50715), (711, 39445), (735, 38157), (805, 34839), (1029, 27255), (1035, 27097), (1127, 24885), (1185, 23667), (1449, 19355), (1659, 16905), (1715, 16353), (1817, 15435), (2205, 12719), (2415, 11613), (2765, 10143), (3087, 9085), (3381, 8295), (3555, 7889), (3871, 7245), (4977, 5635), (5145, 5451)]