72888639

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^2\times {\mathrm{229}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 104675760

約数和(自身を除く): 31787121

約数列:

[1, 3, 17, 51, 79, 229, 237, 687, 1343, 3893, 4029, 6241, 11679, 18091, 18723, 54273, 106097, 307547, 318291, 922641, 1429189, 4287567, 24296213, 72888639]

約数ペア:

[(1, 72888639), (3, 24296213), (17, 4287567), (51, 1429189), (79, 922641), (229, 318291), (237, 307547), (687, 106097), (1343, 54273), (3893, 18723), (4029, 18091), (6241, 11679)]