31921875

素因数分解:

$3^2\times 5^6\times {\mathrm{227}}^1$

素因数の和:263

約数の個数: 42

約数和(自身を含む): 57889884

約数和(自身を除く): 25968009

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 227, 375, 625, 681, 1125, 1135, 1875, 2043, 3125, 3405, 5625, 5675, 9375, 10215, 15625, 17025, 28125, 28375, 46875, 51075, 85125, 140625, 141875, 255375, 425625, 709375, 1276875, 2128125, 3546875, 6384375, 10640625, 31921875]

約数ペア:

[(1, 31921875), (3, 10640625), (5, 6384375), (9, 3546875), (15, 2128125), (25, 1276875), (45, 709375), (75, 425625), (125, 255375), (225, 141875), (227, 140625), (375, 85125), (625, 51075), (681, 46875), (1125, 28375), (1135, 28125), (1875, 17025), (2043, 15625), (3125, 10215), (3405, 9375), (5625, 5675)]