31929261

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 56179200

約数和(自身を除く): 24249939

約数列:

[1, 3, 7, 13, 21, 29, 37, 39, 87, 91, 109, 111, 203, 259, 273, 327, 377, 481, 609, 763, 777, 1073, 1131, 1417, 1443, 2289, 2639, 3161, 3219, 3367, 4033, 4251, 7511, 7917, 9483, 9919, 10101, 12099, 13949, 22127, 22533, 28231, 29757, 41093, 41847, 52429, 66381, 84693, 97643, 116957, 123279, 157287, 287651, 292929, 350871, 367003, 818699, 862953, 1101009, 1520441, 2456097, 4561323, 10643087, 31929261]

約数ペア:

[(1, 31929261), (3, 10643087), (7, 4561323), (13, 2456097), (21, 1520441), (29, 1101009), (37, 862953), (39, 818699), (87, 367003), (91, 350871), (109, 292929), (111, 287651), (203, 157287), (259, 123279), (273, 116957), (327, 97643), (377, 84693), (481, 66381), (609, 52429), (763, 41847), (777, 41093), (1073, 29757), (1131, 28231), (1417, 22533), (1443, 22127), (2289, 13949), (2639, 12099), (3161, 10101), (3219, 9919), (3367, 9483), (4033, 7917), (4251, 7511)]