981851913

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{1069}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 1655846400

約数和(自身を除く): 673994487

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 239, 427, 549, 717, 1069, 1281, 1673, 2151, 3207, 3843, 5019, 7483, 9621, 14579, 15057, 22449, 43737, 65209, 67347, 102053, 131211, 195627, 255491, 306159, 456463, 586881, 766473, 918477, 1369389, 1788437, 2299419, 4108167, 5365311, 15584951, 16095933, 46754853, 109094657, 140264559, 327283971, 981851913]

約数ペア:

[(1, 981851913), (3, 327283971), (7, 140264559), (9, 109094657), (21, 46754853), (61, 16095933), (63, 15584951), (183, 5365311), (239, 4108167), (427, 2299419), (549, 1788437), (717, 1369389), (1069, 918477), (1281, 766473), (1673, 586881), (2151, 456463), (3207, 306159), (3843, 255491), (5019, 195627), (7483, 131211), (9621, 102053), (14579, 67347), (15057, 65209), (22449, 43737)]