1257400557

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{93703}}^1$

素因数の和:93790

約数の個数: 32

約数和(自身を含む): 2158940160

約数和(自身を除く): 901539603

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 93703, 281109, 655921, 843327, 1967763, 2529981, 5903289, 6652913, 17709867, 19958739, 46570391, 59876217, 139711173, 179628651, 419133519, 1257400557]

約数ペア:

[(1, 1257400557), (3, 419133519), (7, 179628651), (9, 139711173), (21, 59876217), (27, 46570391), (63, 19958739), (71, 17709867), (189, 6652913), (213, 5903289), (497, 2529981), (639, 1967763), (1491, 843327), (1917, 655921), (4473, 281109), (13419, 93703)]