12403125

素因数分解:

$3^4\times 5^5\times 7^2$

素因数の和:51

約数の個数: 90

約数和(自身を含む): 26939682

約数和(自身を除く): 14536557

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 81, 105, 125, 135, 147, 175, 189, 225, 245, 315, 375, 405, 441, 525, 567, 625, 675, 735, 875, 945, 1125, 1225, 1323, 1575, 1875, 2025, 2205, 2625, 2835, 3125, 3375, 3675, 3969, 4375, 4725, 5625, 6125, 6615, 7875, 9375, 10125, 11025, 13125, 14175, 16875, 18375, 19845, 21875, 23625, 28125, 30625, 33075, 39375, 50625, 55125, 65625, 70875, 84375, 91875, 99225, 118125, 153125, 165375, 196875, 253125, 275625, 354375, 459375, 496125, 590625, 826875, 1378125, 1771875, 2480625, 4134375, 12403125]

約数ペア:

[(1, 12403125), (3, 4134375), (5, 2480625), (7, 1771875), (9, 1378125), (15, 826875), (21, 590625), (25, 496125), (27, 459375), (35, 354375), (45, 275625), (49, 253125), (63, 196875), (75, 165375), (81, 153125), (105, 118125), (125, 99225), (135, 91875), (147, 84375), (175, 70875), (189, 65625), (225, 55125), (245, 50625), (315, 39375), (375, 33075), (405, 30625), (441, 28125), (525, 23625), (567, 21875), (625, 19845), (675, 18375), (735, 16875), (875, 14175), (945, 13125), (1125, 11025), (1225, 10125), (1323, 9375), (1575, 7875), (1875, 6615), (2025, 6125), (2205, 5625), (2625, 4725), (2835, 4375), (3125, 3969), (3375, 3675)]