72644931

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{20857}}^1$

素因数の和:20912

約数の個数: 20

約数和(自身を含む): 111047992

約数和(自身を除く): 38403061

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 20857, 62571, 187713, 563139, 896851, 1689417, 2690553, 8071659, 24214977, 72644931]

約数ペア:

[(1, 72644931), (3, 24214977), (9, 8071659), (27, 2690553), (43, 1689417), (81, 896851), (129, 563139), (387, 187713), (1161, 62571), (3483, 20857)]