478786815

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{272813}}^1$

素因数の和:272840

約数の個数: 32

約数和(自身を含む): 916655040

約数和(自身を除く): 437868225

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 272813, 818439, 1364065, 2455317, 3546569, 4092195, 7365951, 10639707, 12276585, 17732845, 31919121, 36829755, 53198535, 95757363, 159595605, 478786815]

約数ペア:

[(1, 478786815), (3, 159595605), (5, 95757363), (9, 53198535), (13, 36829755), (15, 31919121), (27, 17732845), (39, 12276585), (45, 10639707), (65, 7365951), (117, 4092195), (135, 3546569), (195, 2455317), (351, 1364065), (585, 818439), (1755, 272813)]