15727257

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 29621760

約数和(自身を除く): 13894503

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 91, 111, 117, 173, 189, 259, 273, 333, 351, 481, 519, 777, 819, 999, 1211, 1443, 1557, 2249, 2331, 2457, 3367, 3633, 4329, 4671, 6401, 6747, 6993, 10101, 10899, 12987, 15743, 19203, 20241, 30303, 32697, 44807, 47229, 57609, 60723, 83213, 90909, 134421, 141687, 172827, 249639, 403263, 425061, 582491, 748917, 1209789, 1747473, 2246751, 5242419, 15727257]

約数ペア:

[(1, 15727257), (3, 5242419), (7, 2246751), (9, 1747473), (13, 1209789), (21, 748917), (27, 582491), (37, 425061), (39, 403263), (63, 249639), (91, 172827), (111, 141687), (117, 134421), (173, 90909), (189, 83213), (259, 60723), (273, 57609), (333, 47229), (351, 44807), (481, 32697), (519, 30303), (777, 20241), (819, 19203), (999, 15743), (1211, 12987), (1443, 10899), (1557, 10101), (2249, 6993), (2331, 6747), (2457, 6401), (3367, 4671), (3633, 4329)]