906458889

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 1433233536

約数和(自身を除く): 526774647

約数列:

[1, 3, 7, 21, 49, 97, 147, 151, 291, 421, 453, 679, 1057, 1263, 2037, 2947, 3171, 4753, 7399, 8841, 14259, 14647, 20629, 22197, 40837, 43941, 61887, 63571, 102529, 122511, 190713, 285859, 307587, 444997, 717703, 857577, 1334991, 2001013, 2153109, 3114979, 6003039, 6166387, 9344937, 18499161, 43164709, 129494127, 302152963, 906458889]

約数ペア:

[(1, 906458889), (3, 302152963), (7, 129494127), (21, 43164709), (49, 18499161), (97, 9344937), (147, 6166387), (151, 6003039), (291, 3114979), (421, 2153109), (453, 2001013), (679, 1334991), (1057, 857577), (1263, 717703), (2037, 444997), (2947, 307587), (3171, 285859), (4753, 190713), (7399, 122511), (8841, 102529), (14259, 63571), (14647, 61887), (20629, 43941), (22197, 40837)]