1540825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 2249856

約数和(自身を除く): 709031

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 431, 715, 2155, 3575, 4741, 5603, 10775, 23705, 28015, 61633, 118525, 140075, 308165, 1540825]

約数ペア:

[(1, 1540825), (5, 308165), (11, 140075), (13, 118525), (25, 61633), (55, 28015), (65, 23705), (143, 10775), (275, 5603), (325, 4741), (431, 3575), (715, 2155)]