31283730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1237}}^1$

素因数の和:1531

約数の個数: 48

約数和(自身を含む): 81693144

約数和(自身を除く): 50409414

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 281, 562, 843, 1237, 1405, 1686, 2474, 2529, 2810, 3711, 4215, 5058, 6185, 7422, 8430, 11133, 12370, 12645, 18555, 22266, 25290, 37110, 55665, 111330, 347597, 695194, 1042791, 1737985, 2085582, 3128373, 3475970, 5213955, 6256746, 10427910, 15641865, 31283730]

約数ペア:

[(1, 31283730), (2, 15641865), (3, 10427910), (5, 6256746), (6, 5213955), (9, 3475970), (10, 3128373), (15, 2085582), (18, 1737985), (30, 1042791), (45, 695194), (90, 347597), (281, 111330), (562, 55665), (843, 37110), (1237, 25290), (1405, 22266), (1686, 18555), (2474, 12645), (2529, 12370), (2810, 11133), (3711, 8430), (4215, 7422), (5058, 6185)]