287172933

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 405307392

約数和(自身を除く): 118134459

約数列:

[1, 3, 31, 61, 93, 183, 223, 227, 669, 681, 1891, 5673, 6913, 7037, 13603, 13847, 20739, 21111, 40809, 41541, 50621, 151863, 421693, 429257, 1265079, 1287771, 1569251, 3087881, 4707753, 9263643, 95724311, 287172933]

約数ペア:

[(1, 287172933), (3, 95724311), (31, 9263643), (61, 4707753), (93, 3087881), (183, 1569251), (223, 1287771), (227, 1265079), (669, 429257), (681, 421693), (1891, 151863), (5673, 50621), (6913, 41541), (7037, 40809), (13603, 21111), (13847, 20739)]