156739947

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6451}}^1$

素因数の和:6563

約数の個数: 32

約数和(自身を含む): 260144640

約数和(自身を除く): 103404693

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 267, 273, 623, 1157, 1869, 3471, 6451, 8099, 19353, 24297, 45157, 83863, 135471, 251589, 574139, 587041, 1722417, 1761123, 4018973, 7463807, 12056919, 22391421, 52246649, 156739947]

約数ペア:

[(1, 156739947), (3, 52246649), (7, 22391421), (13, 12056919), (21, 7463807), (39, 4018973), (89, 1761123), (91, 1722417), (267, 587041), (273, 574139), (623, 251589), (1157, 135471), (1869, 83863), (3471, 45157), (6451, 24297), (8099, 19353)]