8623125

素因数分解:

$3^3\times 5^4\times 7^1\times {\mathrm{73}}^1$

素因数の和:109

約数の個数: 80

約数和(自身を含む): 18494080

約数和(自身を除く): 9870955

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 73, 75, 105, 125, 135, 175, 189, 219, 225, 315, 365, 375, 511, 525, 625, 657, 675, 875, 945, 1095, 1125, 1533, 1575, 1825, 1875, 1971, 2555, 2625, 3285, 3375, 4375, 4599, 4725, 5475, 5625, 7665, 7875, 9125, 9855, 12775, 13125, 13797, 16425, 16875, 22995, 23625, 27375, 38325, 39375, 45625, 49275, 63875, 68985, 82125, 114975, 118125, 136875, 191625, 246375, 319375, 344925, 410625, 574875, 958125, 1231875, 1724625, 2874375, 8623125]

約数ペア:

[(1, 8623125), (3, 2874375), (5, 1724625), (7, 1231875), (9, 958125), (15, 574875), (21, 410625), (25, 344925), (27, 319375), (35, 246375), (45, 191625), (63, 136875), (73, 118125), (75, 114975), (105, 82125), (125, 68985), (135, 63875), (175, 49275), (189, 45625), (219, 39375), (225, 38325), (315, 27375), (365, 23625), (375, 22995), (511, 16875), (525, 16425), (625, 13797), (657, 13125), (675, 12775), (875, 9855), (945, 9125), (1095, 7875), (1125, 7665), (1533, 5625), (1575, 5475), (1825, 4725), (1875, 4599), (1971, 4375), (2555, 3375), (2625, 3285)]