31312953

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^2\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 55186560

約数和(自身を除く): 23873607

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 197, 203, 261, 591, 609, 783, 841, 1379, 1773, 1827, 2523, 4137, 5319, 5481, 5713, 5887, 7569, 12411, 17139, 17661, 22707, 37233, 39991, 51417, 52983, 119973, 154251, 158949, 165677, 359919, 497031, 1079757, 1159739, 1491093, 3479217, 4473279, 10437651, 31312953]

約数ペア:

[(1, 31312953), (3, 10437651), (7, 4473279), (9, 3479217), (21, 1491093), (27, 1159739), (29, 1079757), (63, 497031), (87, 359919), (189, 165677), (197, 158949), (203, 154251), (261, 119973), (591, 52983), (609, 51417), (783, 39991), (841, 37233), (1379, 22707), (1773, 17661), (1827, 17139), (2523, 12411), (4137, 7569), (5319, 5887), (5481, 5713)]