279444711

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 468011520

約数和(自身を除く): 188566809

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 169, 213, 273, 497, 507, 923, 1109, 1183, 1491, 2769, 3327, 3549, 6461, 7763, 11999, 14417, 19383, 23289, 35997, 43251, 78739, 83993, 100919, 187421, 236217, 251979, 302757, 551173, 562263, 1023607, 1311947, 1653519, 3070821, 3935841, 7165249, 13306891, 21495747, 39920673, 93148237, 279444711]

約数ペア:

[(1, 279444711), (3, 93148237), (7, 39920673), (13, 21495747), (21, 13306891), (39, 7165249), (71, 3935841), (91, 3070821), (169, 1653519), (213, 1311947), (273, 1023607), (497, 562263), (507, 551173), (923, 302757), (1109, 251979), (1183, 236217), (1491, 187421), (2769, 100919), (3327, 83993), (3549, 78739), (6461, 43251), (7763, 35997), (11999, 23289), (14417, 19383)]