65975391

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 104776320

約数和(自身を除く): 38800929

約数列:

[1, 3, 9, 19, 27, 57, 81, 163, 171, 263, 489, 513, 789, 1467, 1539, 2367, 3097, 4401, 4997, 7101, 9291, 13203, 14991, 21303, 27873, 42869, 44973, 83619, 128607, 134919, 250857, 385821, 404757, 814511, 1157463, 2443533, 3472389, 7330599, 21991797, 65975391]

約数ペア:

[(1, 65975391), (3, 21991797), (9, 7330599), (19, 3472389), (27, 2443533), (57, 1157463), (81, 814511), (163, 404757), (171, 385821), (263, 250857), (489, 134919), (513, 128607), (789, 83619), (1467, 44973), (1539, 42869), (2367, 27873), (3097, 21303), (4401, 14991), (4997, 13203), (7101, 9291)]