15975225

素因数分解:

$3^4\times 5^2\times 7^3\times {\mathrm{23}}^1$

素因数の和:66

約数の個数: 120

約数和(自身を含む): 36009600

約数和(自身を除く): 20034375

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 27, 35, 45, 49, 63, 69, 75, 81, 105, 115, 135, 147, 161, 175, 189, 207, 225, 245, 315, 343, 345, 405, 441, 483, 525, 567, 575, 621, 675, 735, 805, 945, 1029, 1035, 1127, 1225, 1323, 1449, 1575, 1715, 1725, 1863, 2025, 2205, 2415, 2835, 3087, 3105, 3381, 3675, 3969, 4025, 4347, 4725, 5145, 5175, 5635, 6615, 7245, 7889, 8575, 9261, 9315, 10143, 11025, 12075, 13041, 14175, 15435, 15525, 16905, 19845, 21735, 23667, 25725, 27783, 28175, 30429, 33075, 36225, 39445, 46305, 46575, 50715, 65205, 71001, 77175, 84525, 91287, 99225, 108675, 118335, 138915, 152145, 197225, 213003, 231525, 253575, 326025, 355005, 456435, 591675, 639009, 694575, 760725, 1065015, 1775025, 2282175, 3195045, 5325075, 15975225]

約数ペア:

[(1, 15975225), (3, 5325075), (5, 3195045), (7, 2282175), (9, 1775025), (15, 1065015), (21, 760725), (23, 694575), (25, 639009), (27, 591675), (35, 456435), (45, 355005), (49, 326025), (63, 253575), (69, 231525), (75, 213003), (81, 197225), (105, 152145), (115, 138915), (135, 118335), (147, 108675), (161, 99225), (175, 91287), (189, 84525), (207, 77175), (225, 71001), (245, 65205), (315, 50715), (343, 46575), (345, 46305), (405, 39445), (441, 36225), (483, 33075), (525, 30429), (567, 28175), (575, 27783), (621, 25725), (675, 23667), (735, 21735), (805, 19845), (945, 16905), (1029, 15525), (1035, 15435), (1127, 14175), (1225, 13041), (1323, 12075), (1449, 11025), (1575, 10143), (1715, 9315), (1725, 9261), (1863, 8575), (2025, 7889), (2205, 7245), (2415, 6615), (2835, 5635), (3087, 5175), (3105, 5145), (3381, 4725), (3675, 4347), (3969, 4025)]