64945065

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{863}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 108241920

約数和(自身を除く): 43296855

約数列:

[1, 3, 5, 15, 29, 87, 145, 173, 435, 519, 863, 865, 2589, 2595, 4315, 5017, 12945, 15051, 25027, 25085, 75081, 75255, 125135, 149299, 375405, 447897, 746495, 2239485, 4329671, 12989013, 21648355, 64945065]

約数ペア:

[(1, 64945065), (3, 21648355), (5, 12989013), (15, 4329671), (29, 2239485), (87, 746495), (145, 447897), (173, 375405), (435, 149299), (519, 125135), (863, 75255), (865, 75081), (2589, 25085), (2595, 25027), (4315, 15051), (5017, 12945)]