40480395

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{857}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 67212288

約数和(自身を除く): 26731893

約数列:

[1, 3, 5, 15, 47, 67, 141, 201, 235, 335, 705, 857, 1005, 2571, 3149, 4285, 9447, 12855, 15745, 40279, 47235, 57419, 120837, 172257, 201395, 287095, 604185, 861285, 2698693, 8096079, 13493465, 40480395]

約数ペア:

[(1, 40480395), (3, 13493465), (5, 8096079), (15, 2698693), (47, 861285), (67, 604185), (141, 287095), (201, 201395), (235, 172257), (335, 120837), (705, 57419), (857, 47235), (1005, 40279), (2571, 15745), (3149, 12855), (4285, 9447)]