7518987

素因数分解:

$3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 40

約数和(自身を含む): 13068000

約数和(自身を除く): 5549013

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 149, 189, 267, 447, 567, 623, 801, 1043, 1341, 1869, 2403, 3129, 4023, 5607, 7209, 9387, 12069, 13261, 16821, 28161, 39783, 50463, 84483, 92827, 119349, 278481, 358047, 835443, 1074141, 2506329, 7518987]

約数ペア:

[(1, 7518987), (3, 2506329), (7, 1074141), (9, 835443), (21, 358047), (27, 278481), (63, 119349), (81, 92827), (89, 84483), (149, 50463), (189, 39783), (267, 28161), (447, 16821), (567, 13261), (623, 12069), (801, 9387), (1043, 7209), (1341, 5607), (1869, 4023), (2403, 3129)]