157215177

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 288100800

約数和(自身を除く): 130885623

約数列:

[1, 3, 7, 9, 19, 21, 29, 49, 57, 63, 87, 133, 147, 171, 203, 261, 399, 441, 551, 609, 647, 931, 1197, 1421, 1653, 1827, 1941, 2793, 3857, 4263, 4529, 4959, 5823, 8379, 11571, 12293, 12789, 13587, 18763, 26999, 31703, 34713, 36879, 40761, 56289, 80997, 86051, 95109, 110637, 131341, 168867, 242991, 258153, 285327, 356497, 394023, 602357, 774459, 919387, 1069491, 1182069, 1807071, 2495479, 2758161, 3208473, 5421213, 7486437, 8274483, 17468353, 22459311, 52405059, 157215177]

約数ペア:

[(1, 157215177), (3, 52405059), (7, 22459311), (9, 17468353), (19, 8274483), (21, 7486437), (29, 5421213), (49, 3208473), (57, 2758161), (63, 2495479), (87, 1807071), (133, 1182069), (147, 1069491), (171, 919387), (203, 774459), (261, 602357), (399, 394023), (441, 356497), (551, 285327), (609, 258153), (647, 242991), (931, 168867), (1197, 131341), (1421, 110637), (1653, 95109), (1827, 86051), (1941, 80997), (2793, 56289), (3857, 40761), (4263, 36879), (4529, 34713), (4959, 31703), (5823, 26999), (8379, 18763), (11571, 13587), (12293, 12789)]