61967451

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 108380160

約数和(自身を除く): 46412709

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 71, 91, 139, 161, 213, 273, 299, 417, 483, 497, 897, 923, 973, 1491, 1633, 1807, 2093, 2769, 2919, 3197, 4899, 5421, 6279, 6461, 9591, 9869, 11431, 12649, 19383, 21229, 22379, 29607, 34293, 37947, 41561, 63687, 67137, 69083, 124683, 128297, 148603, 207249, 226987, 290927, 384891, 445809, 680961, 872781, 898079, 1588909, 2694237, 2950831, 4766727, 8852493, 20655817, 61967451]

約数ペア:

[(1, 61967451), (3, 20655817), (7, 8852493), (13, 4766727), (21, 2950831), (23, 2694237), (39, 1588909), (69, 898079), (71, 872781), (91, 680961), (139, 445809), (161, 384891), (213, 290927), (273, 226987), (299, 207249), (417, 148603), (483, 128297), (497, 124683), (897, 69083), (923, 67137), (973, 63687), (1491, 41561), (1633, 37947), (1807, 34293), (2093, 29607), (2769, 22379), (2919, 21229), (3197, 19383), (4899, 12649), (5421, 11431), (6279, 9869), (6461, 9591)]