28732815

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 52715520

約数和(自身を除く): 23982705

約数列:

[1, 3, 5, 9, 15, 31, 43, 45, 93, 129, 155, 215, 279, 387, 465, 479, 645, 1333, 1395, 1437, 1935, 2395, 3999, 4311, 6665, 7185, 11997, 14849, 19995, 20597, 21555, 44547, 59985, 61791, 74245, 102985, 133641, 185373, 222735, 308955, 638507, 668205, 926865, 1915521, 3192535, 5746563, 9577605, 28732815]

約数ペア:

[(1, 28732815), (3, 9577605), (5, 5746563), (9, 3192535), (15, 1915521), (31, 926865), (43, 668205), (45, 638507), (93, 308955), (129, 222735), (155, 185373), (215, 133641), (279, 102985), (387, 74245), (465, 61791), (479, 59985), (645, 44547), (1333, 21555), (1395, 20597), (1437, 19995), (1935, 14849), (2395, 11997), (3999, 7185), (4311, 6665)]