128154961

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2\times {\mathrm{101}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 148172544

約数和(自身を除く): 20017583

約数列:

[1, 11, 31, 61, 101, 341, 671, 1111, 1891, 3131, 3721, 6161, 20801, 34441, 40931, 67771, 115351, 190991, 375821, 1268861, 2100901, 4134031, 11650451, 128154961]

約数ペア:

[(1, 128154961), (11, 11650451), (31, 4134031), (61, 2100901), (101, 1268861), (341, 375821), (671, 190991), (1111, 115351), (1891, 67771), (3131, 40931), (3721, 34441), (6161, 20801)]