28915575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 52663296

約数和(自身を除く): 23747721

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 195, 235, 325, 611, 631, 705, 975, 1175, 1833, 1893, 3055, 3155, 3525, 8203, 9165, 9465, 15275, 15775, 24609, 29657, 41015, 45825, 47325, 88971, 123045, 148285, 205075, 385541, 444855, 615225, 741425, 1156623, 1927705, 2224275, 5783115, 9638525, 28915575]

約数ペア:

[(1, 28915575), (3, 9638525), (5, 5783115), (13, 2224275), (15, 1927705), (25, 1156623), (39, 741425), (47, 615225), (65, 444855), (75, 385541), (141, 205075), (195, 148285), (235, 123045), (325, 88971), (611, 47325), (631, 45825), (705, 41015), (975, 29657), (1175, 24609), (1833, 15775), (1893, 15275), (3055, 9465), (3155, 9165), (3525, 8203)]