28746375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 56070144

約数和(自身を除く): 27323769

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 75, 105, 125, 141, 175, 233, 235, 329, 375, 525, 699, 705, 875, 987, 1165, 1175, 1631, 1645, 2625, 3495, 3525, 4893, 4935, 5825, 5875, 8155, 8225, 10951, 17475, 17625, 24465, 24675, 29125, 32853, 40775, 41125, 54755, 76657, 87375, 122325, 123375, 164265, 203875, 229971, 273775, 383285, 611625, 821325, 1149855, 1368875, 1916425, 4106625, 5749275, 9582125, 28746375]

約数ペア:

[(1, 28746375), (3, 9582125), (5, 5749275), (7, 4106625), (15, 1916425), (21, 1368875), (25, 1149855), (35, 821325), (47, 611625), (75, 383285), (105, 273775), (125, 229971), (141, 203875), (175, 164265), (233, 123375), (235, 122325), (329, 87375), (375, 76657), (525, 54755), (699, 41125), (705, 40775), (875, 32853), (987, 29125), (1165, 24675), (1175, 24465), (1631, 17625), (1645, 17475), (2625, 10951), (3495, 8225), (3525, 8155), (4893, 5875), (4935, 5825)]