13555025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{4481}}^1$

素因数の和:4513

約数の個数: 18

約数和(自身を含む): 18479286

約数和(自身を除く): 4924261

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 4481, 22405, 49291, 112025, 246455, 542201, 1232275, 2711005, 13555025]

約数ペア:

[(1, 13555025), (5, 2711005), (11, 1232275), (25, 542201), (55, 246455), (121, 112025), (275, 49291), (605, 22405), (3025, 4481)]