40447917

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{3307}}^1$

素因数の和:3470

約数の個数: 20

約数和(自身を含む): 60840736

約数和(自身を除く): 20392819

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 3307, 4077, 9921, 12231, 29763, 89289, 267867, 499357, 1498071, 4494213, 13482639, 40447917]

約数ペア:

[(1, 40447917), (3, 13482639), (9, 4494213), (27, 1498071), (81, 499357), (151, 267867), (453, 89289), (1359, 29763), (3307, 12231), (4077, 9921)]