165223107

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1423}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 290268160

約数和(自身を除く): 125045053

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 97, 133, 171, 291, 399, 679, 873, 1197, 1423, 1843, 2037, 4269, 5529, 6111, 9961, 12807, 12901, 16587, 27037, 29883, 38703, 81111, 89649, 116109, 138031, 189259, 243333, 414093, 567777, 966217, 1242279, 1703331, 2622589, 2898651, 7867767, 8695953, 18358123, 23603301, 55074369, 165223107]

約数ペア:

[(1, 165223107), (3, 55074369), (7, 23603301), (9, 18358123), (19, 8695953), (21, 7867767), (57, 2898651), (63, 2622589), (97, 1703331), (133, 1242279), (171, 966217), (291, 567777), (399, 414093), (679, 243333), (873, 189259), (1197, 138031), (1423, 116109), (1843, 89649), (2037, 81111), (4269, 38703), (5529, 29883), (6111, 27037), (9961, 16587), (12807, 12901)]