645604419

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{359}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 908513280

約数和(自身を除く): 262908861

約数列:

[1, 3, 31, 61, 93, 183, 317, 359, 951, 1077, 1891, 5673, 9827, 11129, 19337, 21899, 29481, 33387, 58011, 65697, 113803, 341409, 599447, 678869, 1798341, 2036607, 3527893, 6941983, 10583679, 20825949, 215201473, 645604419]

約数ペア:

[(1, 645604419), (3, 215201473), (31, 20825949), (61, 10583679), (93, 6941983), (183, 3527893), (317, 2036607), (359, 1798341), (951, 678869), (1077, 599447), (1891, 341409), (5673, 113803), (9827, 65697), (11129, 58011), (19337, 33387), (21899, 29481)]