855261771

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{373}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 1451670528

約数和(自身を除く): 596408757

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 227, 259, 273, 373, 481, 681, 777, 1119, 1443, 1589, 2611, 2951, 3367, 4767, 4849, 7833, 8399, 8853, 10101, 13801, 14547, 20657, 25197, 33943, 41403, 58793, 61971, 84671, 96607, 101829, 109187, 176379, 179413, 254013, 289821, 327561, 538239, 592697, 764309, 1100723, 1255891, 1778091, 2292927, 3132827, 3302169, 3767673, 7705061, 9398481, 21929789, 23115183, 40726751, 65789367, 122180253, 285087257, 855261771]

約数ペア:

[(1, 855261771), (3, 285087257), (7, 122180253), (13, 65789367), (21, 40726751), (37, 23115183), (39, 21929789), (91, 9398481), (111, 7705061), (227, 3767673), (259, 3302169), (273, 3132827), (373, 2292927), (481, 1778091), (681, 1255891), (777, 1100723), (1119, 764309), (1443, 592697), (1589, 538239), (2611, 327561), (2951, 289821), (3367, 254013), (4767, 179413), (4849, 176379), (7833, 109187), (8399, 101829), (8853, 96607), (10101, 84671), (13801, 61971), (14547, 58793), (20657, 41403), (25197, 33943)]