289317315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{393629}}^1$

素因数の和:393651

約数の個数: 24

約数和(自身を含む): 538485840

約数和(自身を除く): 249168525

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 393629, 1180887, 1968145, 2755403, 5904435, 8266209, 13777015, 19287821, 41331045, 57863463, 96439105, 289317315]

約数ペア:

[(1, 289317315), (3, 96439105), (5, 57863463), (7, 41331045), (15, 19287821), (21, 13777015), (35, 8266209), (49, 5904435), (105, 2755403), (147, 1968145), (245, 1180887), (735, 393629)]