31479903

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:86

約数の個数: 108

約数和(自身を含む): 63696360

約数和(自身を除く): 32216457

約数列:

[1, 3, 7, 9, 13, 17, 19, 21, 39, 49, 51, 57, 63, 91, 117, 119, 133, 147, 153, 171, 221, 247, 273, 289, 323, 357, 399, 441, 637, 663, 741, 819, 833, 867, 931, 969, 1071, 1197, 1547, 1729, 1911, 1989, 2023, 2223, 2261, 2499, 2601, 2793, 2907, 3757, 4199, 4641, 5187, 5491, 5733, 6069, 6783, 7497, 8379, 10829, 11271, 12103, 12597, 13923, 14161, 15561, 15827, 16473, 18207, 20349, 26299, 29393, 32487, 33813, 36309, 37791, 38437, 42483, 47481, 49419, 71383, 78897, 88179, 97461, 108927, 115311, 127449, 142443, 184093, 205751, 214149, 236691, 264537, 269059, 345933, 499681, 552279, 617253, 642447, 807177, 1499043, 1656837, 1851759, 2421531, 3497767, 4497129, 10493301, 31479903]

約数ペア:

[(1, 31479903), (3, 10493301), (7, 4497129), (9, 3497767), (13, 2421531), (17, 1851759), (19, 1656837), (21, 1499043), (39, 807177), (49, 642447), (51, 617253), (57, 552279), (63, 499681), (91, 345933), (117, 269059), (119, 264537), (133, 236691), (147, 214149), (153, 205751), (171, 184093), (221, 142443), (247, 127449), (273, 115311), (289, 108927), (323, 97461), (357, 88179), (399, 78897), (441, 71383), (637, 49419), (663, 47481), (741, 42483), (819, 38437), (833, 37791), (867, 36309), (931, 33813), (969, 32487), (1071, 29393), (1197, 26299), (1547, 20349), (1729, 18207), (1911, 16473), (1989, 15827), (2023, 15561), (2223, 14161), (2261, 13923), (2499, 12597), (2601, 12103), (2793, 11271), (2907, 10829), (3757, 8379), (4199, 7497), (4641, 6783), (5187, 6069), (5491, 5733)]