4020015

素因数分解:

$3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{947}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 6461568

約数和(自身を除く): 2441553

約数列:

[1, 3, 5, 15, 283, 849, 947, 1415, 2841, 4245, 4735, 14205, 268001, 804003, 1340005, 4020015]

約数ペア:

[(1, 4020015), (3, 1340005), (5, 804003), (15, 268001), (283, 14205), (849, 4735), (947, 4245), (1415, 2841)]