669591

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 24

約数和(自身を含む): 1070160

約数和(自身を除く): 400569

約数列:

[1, 3, 9, 13, 39, 59, 97, 117, 177, 291, 531, 767, 873, 1261, 2301, 3783, 5723, 6903, 11349, 17169, 51507, 74399, 223197, 669591]

約数ペア:

[(1, 669591), (3, 223197), (9, 74399), (13, 51507), (39, 17169), (59, 11349), (97, 6903), (117, 5723), (177, 3783), (291, 2301), (531, 1261), (767, 873)]