72480681

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{88499}}^1$

素因数の和:88525

約数の個数: 24

約数和(自身を含む): 128856000

約数和(自身を除く): 56375319

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 88499, 265497, 619493, 796491, 1150487, 1858479, 3451461, 5575437, 8053409, 10354383, 24160227, 72480681]

約数ペア:

[(1, 72480681), (3, 24160227), (7, 10354383), (9, 8053409), (13, 5575437), (21, 3451461), (39, 1858479), (63, 1150487), (91, 796491), (117, 619493), (273, 265497), (819, 88499)]