321738963

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{40639}}^1$

素因数の和:40691

約数の個数: 32

約数和(自身を含む): 546201600

約数和(自身を除く): 224462637

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 40639, 121917, 284473, 528307, 853419, 1178531, 1584921, 3535593, 3698149, 8249717, 11094447, 15320903, 24749151, 45962709, 107246321, 321738963]

約数ペア:

[(1, 321738963), (3, 107246321), (7, 45962709), (13, 24749151), (21, 15320903), (29, 11094447), (39, 8249717), (87, 3698149), (91, 3535593), (203, 1584921), (273, 1178531), (377, 853419), (609, 528307), (1131, 284473), (2639, 121917), (7917, 40639)]