139258371

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 215728128

約数和(自身を除く): 76469757

約数列:

[1, 3, 7, 21, 131, 223, 227, 393, 669, 681, 917, 1561, 1589, 2751, 4683, 4767, 29213, 29737, 50621, 87639, 89211, 151863, 204491, 208159, 354347, 613473, 624477, 1063041, 6631351, 19894053, 46419457, 139258371]

約数ペア:

[(1, 139258371), (3, 46419457), (7, 19894053), (21, 6631351), (131, 1063041), (223, 624477), (227, 613473), (393, 354347), (669, 208159), (681, 204491), (917, 151863), (1561, 89211), (1589, 87639), (2751, 50621), (4683, 29737), (4767, 29213)]