420228465

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{651517}}^1$

素因数の和:651568

約数の個数: 16

約数和(自身を含む): 688003008

約数和(自身を除く): 267774543

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 651517, 1954551, 3257585, 9772755, 28015231, 84045693, 140076155, 420228465]

約数ペア:

[(1, 420228465), (3, 140076155), (5, 84045693), (15, 28015231), (43, 9772755), (129, 3257585), (215, 1954551), (645, 651517)]