31213325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8731}}^1$

素因数の和:8765

約数の個数: 24

約数和(自身を含む): 45476256

約数和(自身を除く): 14262931

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 8731, 43655, 96041, 113503, 218275, 480205, 567515, 1248533, 2401025, 2837575, 6242665, 31213325]

約数ペア:

[(1, 31213325), (5, 6242665), (11, 2837575), (13, 2401025), (25, 1248533), (55, 567515), (65, 480205), (143, 218275), (275, 113503), (325, 96041), (715, 43655), (3575, 8731)]