155843883

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 261817920

約数和(自身を除く): 105974037

約数列:

[1, 3, 9, 13, 23, 29, 39, 69, 87, 117, 207, 261, 299, 377, 667, 897, 1131, 1997, 2001, 2691, 3393, 5991, 6003, 8671, 17973, 25961, 26013, 45931, 57913, 77883, 78039, 137793, 173739, 233649, 413379, 521217, 597103, 752869, 1331999, 1791309, 2258607, 3995997, 5373927, 6775821, 11987991, 17315987, 51947961, 155843883]

約数ペア:

[(1, 155843883), (3, 51947961), (9, 17315987), (13, 11987991), (23, 6775821), (29, 5373927), (39, 3995997), (69, 2258607), (87, 1791309), (117, 1331999), (207, 752869), (261, 597103), (299, 521217), (377, 413379), (667, 233649), (897, 173739), (1131, 137793), (1997, 78039), (2001, 77883), (2691, 57913), (3393, 45931), (5991, 26013), (6003, 25961), (8671, 17973)]