31351185

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{439}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 58396800

約数和(自身を除く): 27045615

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 439, 529, 621, 1035, 1317, 1587, 2195, 2645, 3105, 3951, 4761, 6585, 7935, 10097, 11853, 14283, 19755, 23805, 30291, 50485, 59265, 71415, 90873, 151455, 232231, 272619, 454365, 696693, 1161155, 1363095, 2090079, 3483465, 6270237, 10450395, 31351185]

約数ペア:

[(1, 31351185), (3, 10450395), (5, 6270237), (9, 3483465), (15, 2090079), (23, 1363095), (27, 1161155), (45, 696693), (69, 454365), (115, 272619), (135, 232231), (207, 151455), (345, 90873), (439, 71415), (529, 59265), (621, 50485), (1035, 30291), (1317, 23805), (1587, 19755), (2195, 14283), (2645, 11853), (3105, 10097), (3951, 7935), (4761, 6585)]