12649875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 24760320

約数和(自身を除く): 12110445

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 79, 105, 125, 175, 183, 237, 305, 375, 395, 427, 525, 553, 875, 915, 1185, 1281, 1525, 1659, 1975, 2135, 2625, 2765, 4575, 4819, 5925, 6405, 7625, 8295, 9875, 10675, 13825, 14457, 22875, 24095, 29625, 32025, 33733, 41475, 53375, 69125, 72285, 101199, 120475, 160125, 168665, 207375, 361425, 505995, 602375, 843325, 1807125, 2529975, 4216625, 12649875]

約数ペア:

[(1, 12649875), (3, 4216625), (5, 2529975), (7, 1807125), (15, 843325), (21, 602375), (25, 505995), (35, 361425), (61, 207375), (75, 168665), (79, 160125), (105, 120475), (125, 101199), (175, 72285), (183, 69125), (237, 53375), (305, 41475), (375, 33733), (395, 32025), (427, 29625), (525, 24095), (553, 22875), (875, 14457), (915, 13825), (1185, 10675), (1281, 9875), (1525, 8295), (1659, 7625), (1975, 6405), (2135, 5925), (2625, 4819), (2765, 4575)]