40385547

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{1091}}^1$

素因数の和:1560

約数の個数: 20

約数和(自身を含む): 60516456

約数和(自身を除く): 20130909

約数列:

[1, 3, 9, 27, 81, 457, 1091, 1371, 3273, 4113, 9819, 12339, 29457, 37017, 88371, 498587, 1495761, 4487283, 13461849, 40385547]

約数ペア:

[(1, 40385547), (3, 13461849), (9, 4487283), (27, 1495761), (81, 498587), (457, 88371), (1091, 37017), (1371, 29457), (3273, 12339), (4113, 9819)]