123537231

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{21481}}^1$

素因数の和:21564

約数の個数: 20

約数和(自身を含む): 187151184

約数和(自身を除く): 63613953

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 21481, 64443, 193329, 579987, 1525151, 1739961, 4575453, 13726359, 41179077, 123537231]

約数ペア:

[(1, 123537231), (3, 41179077), (9, 13726359), (27, 4575453), (71, 1739961), (81, 1525151), (213, 579987), (639, 193329), (1917, 64443), (5751, 21481)]