258953877

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2657}}^1$

素因数の和:2707

約数の個数: 72

約数和(自身を含む): 496333656

約数和(自身を除く): 237379779

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 221, 273, 357, 441, 637, 663, 819, 833, 1071, 1547, 1911, 1989, 2499, 2657, 4641, 5733, 7497, 7971, 10829, 13923, 18599, 23913, 32487, 34541, 45169, 55797, 97461, 103623, 130193, 135507, 167391, 241787, 310869, 316183, 390579, 406521, 587197, 725361, 948549, 1171737, 1692509, 1761591, 2176083, 2213281, 2845647, 4110379, 5077527, 5284773, 6639843, 12331137, 15232581, 19919529, 28772653, 36993411, 86317959, 258953877]

約数ペア:

[(1, 258953877), (3, 86317959), (7, 36993411), (9, 28772653), (13, 19919529), (17, 15232581), (21, 12331137), (39, 6639843), (49, 5284773), (51, 5077527), (63, 4110379), (91, 2845647), (117, 2213281), (119, 2176083), (147, 1761591), (153, 1692509), (221, 1171737), (273, 948549), (357, 725361), (441, 587197), (637, 406521), (663, 390579), (819, 316183), (833, 310869), (1071, 241787), (1547, 167391), (1911, 135507), (1989, 130193), (2499, 103623), (2657, 97461), (4641, 55797), (5733, 45169), (7497, 34541), (7971, 32487), (10829, 23913), (13923, 18599)]