40398657

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 59928960

約数和(自身を除く): 19530303

約数列:

[1, 3, 13, 39, 59, 97, 177, 181, 291, 543, 767, 1261, 2301, 2353, 3783, 5723, 7059, 10679, 17169, 17557, 32037, 52671, 74399, 138827, 223197, 228241, 416481, 684723, 1035863, 3107589, 13466219, 40398657]

約数ペア:

[(1, 40398657), (3, 13466219), (13, 3107589), (39, 1035863), (59, 684723), (97, 416481), (177, 228241), (181, 223197), (291, 138827), (543, 74399), (767, 52671), (1261, 32037), (2301, 17557), (2353, 17169), (3783, 10679), (5723, 7059)]