68216505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 133152768

約数和(自身を除く): 64936263

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 47, 69, 105, 115, 141, 161, 235, 329, 345, 483, 601, 705, 805, 987, 1081, 1645, 1803, 2415, 3005, 3243, 4207, 4935, 5405, 7567, 9015, 12621, 13823, 16215, 21035, 22701, 28247, 37835, 41469, 63105, 69115, 84741, 96761, 113505, 141235, 197729, 207345, 290283, 423705, 483805, 593187, 649681, 988645, 1451415, 1949043, 2965935, 3248405, 4547767, 9745215, 13643301, 22738835, 68216505]

約数ペア:

[(1, 68216505), (3, 22738835), (5, 13643301), (7, 9745215), (15, 4547767), (21, 3248405), (23, 2965935), (35, 1949043), (47, 1451415), (69, 988645), (105, 649681), (115, 593187), (141, 483805), (161, 423705), (235, 290283), (329, 207345), (345, 197729), (483, 141235), (601, 113505), (705, 96761), (805, 84741), (987, 69115), (1081, 63105), (1645, 41469), (1803, 37835), (2415, 28247), (3005, 22701), (3243, 21035), (4207, 16215), (4935, 13823), (5405, 12621), (7567, 9015)]