239387631

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{1109}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 385036800

約数和(自身を除く): 145649169

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 541, 1109, 1623, 3327, 3787, 7763, 10279, 11361, 21071, 23289, 30837, 63213, 71953, 147497, 215859, 442491, 599969, 1799907, 4199783, 11399411, 12599349, 34198233, 79795877, 239387631]

約数ペア:

[(1, 239387631), (3, 79795877), (7, 34198233), (19, 12599349), (21, 11399411), (57, 4199783), (133, 1799907), (399, 599969), (541, 442491), (1109, 215859), (1623, 147497), (3327, 71953), (3787, 63213), (7763, 30837), (10279, 23289), (11361, 21071)]