397732905

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{673}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 721708416

約数和(自身を除く): 323975511

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 571, 673, 1035, 1713, 2019, 2855, 3365, 5139, 6057, 8565, 10095, 13133, 15479, 25695, 30285, 39399, 46437, 65665, 77395, 118197, 139311, 196995, 232185, 384283, 590985, 696555, 1152849, 1921415, 3458547, 5764245, 8838509, 17292735, 26515527, 44192545, 79546581, 132577635, 397732905]

約数ペア:

[(1, 397732905), (3, 132577635), (5, 79546581), (9, 44192545), (15, 26515527), (23, 17292735), (45, 8838509), (69, 5764245), (115, 3458547), (207, 1921415), (345, 1152849), (571, 696555), (673, 590985), (1035, 384283), (1713, 232185), (2019, 196995), (2855, 139311), (3365, 118197), (5139, 77395), (6057, 65665), (8565, 46437), (10095, 39399), (13133, 30285), (15479, 25695)]