40866891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 62388480

約数和(自身を除く): 21521589

約数列:

[1, 3, 13, 19, 39, 57, 131, 247, 393, 421, 741, 1263, 1703, 2489, 5109, 5473, 7467, 7999, 16419, 23997, 32357, 55151, 97071, 103987, 165453, 311961, 716963, 1047869, 2150889, 3143607, 13622297, 40866891]

約数ペア:

[(1, 40866891), (3, 13622297), (13, 3143607), (19, 2150889), (39, 1047869), (57, 716963), (131, 311961), (247, 165453), (393, 103987), (421, 97071), (741, 55151), (1263, 32357), (1703, 23997), (2489, 16419), (5109, 7999), (5473, 7467)]