18937632651

素因数分解:

$3^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{232961}}^1$

素因数の和:233064

約数の個数: 32

約数和(自身を含む): 29819136000

約数和(自身を除く): 10881503349

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 343, 553, 1029, 1659, 3871, 11613, 27097, 81291, 232961, 698883, 1630727, 4892181, 11415089, 18403919, 34245267, 55211757, 79905623, 128827433, 239716869, 386482299, 901792031, 2705376093, 6312544217, 18937632651]

約数ペア:

[(1, 18937632651), (3, 6312544217), (7, 2705376093), (21, 901792031), (49, 386482299), (79, 239716869), (147, 128827433), (237, 79905623), (343, 55211757), (553, 34245267), (1029, 18403919), (1659, 11415089), (3871, 4892181), (11613, 1630727), (27097, 698883), (81291, 232961)]