31876875

素因数分解:

$3^3\times 5^4\times {\mathrm{1889}}^1$

素因数の和:1918

約数の個数: 40

約数和(自身を含む): 59043600

約数和(自身を除く): 27166725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1875, 1889, 3375, 5625, 5667, 9445, 16875, 17001, 28335, 47225, 51003, 85005, 141675, 236125, 255015, 425025, 708375, 1180625, 1275075, 2125125, 3541875, 6375375, 10625625, 31876875]

約数ペア:

[(1, 31876875), (3, 10625625), (5, 6375375), (9, 3541875), (15, 2125125), (25, 1275075), (27, 1180625), (45, 708375), (75, 425025), (125, 255015), (135, 236125), (225, 141675), (375, 85005), (625, 51003), (675, 47225), (1125, 28335), (1875, 17001), (1889, 16875), (3375, 9445), (5625, 5667)]