31093290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1997}}^1$

素因数の和:2183

約数の個数: 48

約数和(自身を含む): 81350568

約数和(自身を除く): 50257278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 173, 346, 519, 865, 1038, 1557, 1730, 1997, 2595, 3114, 3994, 5190, 5991, 7785, 9985, 11982, 15570, 17973, 19970, 29955, 35946, 59910, 89865, 179730, 345481, 690962, 1036443, 1727405, 2072886, 3109329, 3454810, 5182215, 6218658, 10364430, 15546645, 31093290]

約数ペア:

[(1, 31093290), (2, 15546645), (3, 10364430), (5, 6218658), (6, 5182215), (9, 3454810), (10, 3109329), (15, 2072886), (18, 1727405), (30, 1036443), (45, 690962), (90, 345481), (173, 179730), (346, 89865), (519, 59910), (865, 35946), (1038, 29955), (1557, 19970), (1730, 17973), (1997, 15570), (2595, 11982), (3114, 9985), (3994, 7785), (5190, 5991)]