2181606651

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1019}}^1\times {\mathrm{1999}}^1$

素因数の和:3048

約数の個数: 48

約数和(自身を含む): 3818880000

約数和(自身を除く): 1637273349

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1019, 1071, 1999, 3057, 5997, 7133, 9171, 13993, 17323, 17991, 21399, 33983, 41979, 51969, 64197, 101949, 121261, 125937, 155907, 237881, 305847, 363783, 713643, 1091349, 2036981, 2140929, 6110943, 14258867, 18332829, 34628677, 42776601, 103886031, 128329803, 242400739, 311658093, 727202217, 2181606651]

約数ペア:

[(1, 2181606651), (3, 727202217), (7, 311658093), (9, 242400739), (17, 128329803), (21, 103886031), (51, 42776601), (63, 34628677), (119, 18332829), (153, 14258867), (357, 6110943), (1019, 2140929), (1071, 2036981), (1999, 1091349), (3057, 713643), (5997, 363783), (7133, 305847), (9171, 237881), (13993, 155907), (17323, 125937), (17991, 121261), (21399, 101949), (33983, 64197), (41979, 51969)]