1990291257

素因数分解:

$3^5\times {\mathrm{29}}^2\times {\mathrm{9739}}^1$

素因数の和:9812

約数の個数: 36

約数和(自身を含む): 3088008560

約数和(自身を除く): 1097717303

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 841, 2349, 2523, 7047, 7569, 9739, 22707, 29217, 68121, 87651, 204363, 262953, 282431, 788859, 847293, 2366577, 2541879, 7625637, 8190499, 22876911, 24571497, 68630733, 73714491, 221143473, 663430419, 1990291257]

約数ペア:

[(1, 1990291257), (3, 663430419), (9, 221143473), (27, 73714491), (29, 68630733), (81, 24571497), (87, 22876911), (243, 8190499), (261, 7625637), (783, 2541879), (841, 2366577), (2349, 847293), (2523, 788859), (7047, 282431), (7569, 262953), (9739, 204363), (22707, 87651), (29217, 68121)]