40887729

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1451}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 61611264

約数和(自身を除く): 20723535

約数列:

[1, 3, 9, 31, 93, 101, 279, 303, 909, 1451, 3131, 4353, 9393, 13059, 28179, 44981, 134943, 146551, 404829, 439653, 1318959, 4543081, 13629243, 40887729]

約数ペア:

[(1, 40887729), (3, 13629243), (9, 4543081), (31, 1318959), (93, 439653), (101, 404829), (279, 146551), (303, 134943), (909, 44981), (1451, 28179), (3131, 13059), (4353, 9393)]