1940715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 3946176

約数和(自身を除く): 2005461

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 101, 105, 183, 303, 305, 315, 427, 505, 549, 707, 909, 915, 1281, 1515, 2121, 2135, 2745, 3535, 3843, 4545, 6161, 6363, 6405, 10605, 18483, 19215, 30805, 31815, 43127, 55449, 92415, 129381, 215635, 277245, 388143, 646905, 1940715]

約数ペア:

[(1, 1940715), (3, 646905), (5, 388143), (7, 277245), (9, 215635), (15, 129381), (21, 92415), (35, 55449), (45, 43127), (61, 31815), (63, 30805), (101, 19215), (105, 18483), (183, 10605), (303, 6405), (305, 6363), (315, 6161), (427, 4545), (505, 3843), (549, 3535), (707, 2745), (909, 2135), (915, 2121), (1281, 1515)]