389945283

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{487}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 654232320

約数和(自身を除く): 264287037

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 419, 487, 637, 1257, 1461, 1911, 2933, 3409, 5447, 6331, 8799, 10227, 16341, 18993, 20531, 23863, 38129, 44317, 61593, 71589, 114387, 132951, 204053, 266903, 310219, 612159, 800709, 930657, 1428371, 2652689, 4285113, 7958067, 9998597, 18568823, 29995791, 55706469, 129981761, 389945283]

約数ペア:

[(1, 389945283), (3, 129981761), (7, 55706469), (13, 29995791), (21, 18568823), (39, 9998597), (49, 7958067), (91, 4285113), (147, 2652689), (273, 1428371), (419, 930657), (487, 800709), (637, 612159), (1257, 310219), (1461, 266903), (1911, 204053), (2933, 132951), (3409, 114387), (5447, 71589), (6331, 61593), (8799, 44317), (10227, 38129), (16341, 23863), (18993, 20531)]