68660721

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 100876776

約数和(自身を除く): 32216055

約数列:

[1, 3, 9, 113, 181, 339, 373, 543, 1017, 1119, 1629, 3357, 20453, 42149, 61359, 67513, 126447, 184077, 202539, 379341, 607617, 7628969, 22886907, 68660721]

約数ペア:

[(1, 68660721), (3, 22886907), (9, 7628969), (113, 607617), (181, 379341), (339, 202539), (373, 184077), (543, 126447), (1017, 67513), (1119, 61359), (1629, 42149), (3357, 20453)]