77421981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6917}}^1$

素因数の和:6981

約数の個数: 32

約数和(自身を含む): 130169088

約数和(自身を除く): 52747107

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 3731, 6917, 11193, 20751, 48419, 89921, 145257, 269763, 283597, 629447, 850791, 1888341, 1985179, 3686761, 5955537, 11060283, 25807327, 77421981]

約数ペア:

[(1, 77421981), (3, 25807327), (7, 11060283), (13, 5955537), (21, 3686761), (39, 1985179), (41, 1888341), (91, 850791), (123, 629447), (273, 283597), (287, 269763), (533, 145257), (861, 89921), (1599, 48419), (3731, 20751), (6917, 11193)]