27213381

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 46663680

約数和(自身を除く): 19450299

約数列:

[1, 3, 9, 13, 27, 31, 39, 41, 61, 93, 117, 123, 183, 279, 351, 369, 403, 533, 549, 793, 837, 1107, 1209, 1271, 1599, 1647, 1891, 2379, 2501, 3627, 3813, 4797, 5673, 7137, 7503, 10881, 11439, 14391, 16523, 17019, 21411, 22509, 24583, 32513, 34317, 49569, 51057, 67527, 73749, 77531, 97539, 148707, 221247, 232593, 292617, 446121, 663741, 697779, 877851, 1007903, 2093337, 3023709, 9071127, 27213381]

約数ペア:

[(1, 27213381), (3, 9071127), (9, 3023709), (13, 2093337), (27, 1007903), (31, 877851), (39, 697779), (41, 663741), (61, 446121), (93, 292617), (117, 232593), (123, 221247), (183, 148707), (279, 97539), (351, 77531), (369, 73749), (403, 67527), (533, 51057), (549, 49569), (793, 34317), (837, 32513), (1107, 24583), (1209, 22509), (1271, 21411), (1599, 17019), (1647, 16523), (1891, 14391), (2379, 11439), (2501, 10881), (3627, 7503), (3813, 7137), (4797, 5673)]