81730575

素因数分解:

$3^2\times 5^2\times {\mathrm{233}}^1\times {\mathrm{1559}}^1$

素因数の和:1808

約数の個数: 36

約数和(自身を含む): 147111120

約数和(自身を除く): 65380545

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 233, 699, 1165, 1559, 2097, 3495, 4677, 5825, 7795, 10485, 14031, 17475, 23385, 38975, 52425, 70155, 116925, 350775, 363247, 1089741, 1816235, 3269223, 5448705, 9081175, 16346115, 27243525, 81730575]

約数ペア:

[(1, 81730575), (3, 27243525), (5, 16346115), (9, 9081175), (15, 5448705), (25, 3269223), (45, 1816235), (75, 1089741), (225, 363247), (233, 350775), (699, 116925), (1165, 70155), (1559, 52425), (2097, 38975), (3495, 23385), (4677, 17475), (5825, 14031), (7795, 10485)]