31500225

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2029}}^1$

素因数の和:2071

約数の個数: 48

約数和(自身を含む): 60412800

約数和(自身を除く): 28912575

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 575, 621, 675, 1035, 1725, 2029, 3105, 5175, 6087, 10145, 15525, 18261, 30435, 46667, 50725, 54783, 91305, 140001, 152175, 233335, 273915, 420003, 456525, 700005, 1166675, 1260009, 1369575, 2100015, 3500025, 6300045, 10500075, 31500225]

約数ペア:

[(1, 31500225), (3, 10500075), (5, 6300045), (9, 3500025), (15, 2100015), (23, 1369575), (25, 1260009), (27, 1166675), (45, 700005), (69, 456525), (75, 420003), (115, 273915), (135, 233335), (207, 152175), (225, 140001), (345, 91305), (575, 54783), (621, 50725), (675, 46667), (1035, 30435), (1725, 18261), (2029, 15525), (3105, 10145), (5175, 6087)]