7156947

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 11459584

約数和(自身を除く): 4302637

約数列:

[1, 3, 7, 21, 37, 61, 111, 151, 183, 259, 427, 453, 777, 1057, 1281, 2257, 3171, 5587, 6771, 9211, 15799, 16761, 27633, 39109, 47397, 64477, 117327, 193431, 340807, 1022421, 2385649, 7156947]

約数ペア:

[(1, 7156947), (3, 2385649), (7, 1022421), (21, 340807), (37, 193431), (61, 117327), (111, 64477), (151, 47397), (183, 39109), (259, 27633), (427, 16761), (453, 15799), (777, 9211), (1057, 6771), (1281, 5587), (2257, 3171)]