261017625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{63277}}^1$

素因数の和:63306

約数の個数: 32

約数和(自身を含む): 473825664

約数和(自身を除く): 212808039

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 63277, 189831, 316385, 696047, 949155, 1581925, 2088141, 3480235, 4745775, 7909625, 10440705, 17401175, 23728875, 52203525, 87005875, 261017625]

約数ペア:

[(1, 261017625), (3, 87005875), (5, 52203525), (11, 23728875), (15, 17401175), (25, 10440705), (33, 7909625), (55, 4745775), (75, 3480235), (125, 2088141), (165, 1581925), (275, 949155), (375, 696047), (825, 316385), (1375, 189831), (4125, 63277)]