291465207

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 471744000

約数和(自身を除く): 180278793

約数列:

[1, 3, 9, 11, 33, 79, 83, 99, 237, 249, 449, 711, 747, 869, 913, 1347, 2607, 2739, 4041, 4939, 6557, 7821, 8217, 14817, 19671, 35471, 37267, 44451, 59013, 72127, 106413, 111801, 216381, 319239, 335403, 390181, 409937, 649143, 1170543, 1229811, 2944093, 3511629, 3689433, 8832279, 26496837, 32385023, 97155069, 291465207]

約数ペア:

[(1, 291465207), (3, 97155069), (9, 32385023), (11, 26496837), (33, 8832279), (79, 3689433), (83, 3511629), (99, 2944093), (237, 1229811), (249, 1170543), (449, 649143), (711, 409937), (747, 390181), (869, 335403), (913, 319239), (1347, 216381), (2607, 111801), (2739, 106413), (4041, 72127), (4939, 59013), (6557, 44451), (7821, 37267), (8217, 35471), (14817, 19671)]