400787121

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 724930560

約数和(自身を除く): 324143439

約数列:

[1, 3, 7, 17, 19, 21, 23, 49, 51, 57, 69, 119, 133, 147, 161, 323, 357, 367, 391, 399, 437, 483, 833, 931, 969, 1101, 1127, 1173, 1311, 2261, 2499, 2569, 2737, 2793, 3059, 3381, 6239, 6783, 6973, 7429, 7707, 8211, 8441, 9177, 15827, 17983, 18717, 19159, 20919, 21413, 22287, 25323, 43673, 47481, 48811, 52003, 53949, 57477, 59087, 64239, 118541, 131019, 143497, 146433, 156009, 160379, 177261, 305711, 341677, 355623, 364021, 413609, 430491, 481137, 829787, 917133, 1004479, 1025031, 1092063, 1122653, 1240827, 2489361, 2726443, 3013437, 3367959, 5808509, 7031353, 7858571, 8179329, 17425527, 19085101, 21094059, 23575713, 57255303, 133595707, 400787121]

約数ペア:

[(1, 400787121), (3, 133595707), (7, 57255303), (17, 23575713), (19, 21094059), (21, 19085101), (23, 17425527), (49, 8179329), (51, 7858571), (57, 7031353), (69, 5808509), (119, 3367959), (133, 3013437), (147, 2726443), (161, 2489361), (323, 1240827), (357, 1122653), (367, 1092063), (391, 1025031), (399, 1004479), (437, 917133), (483, 829787), (833, 481137), (931, 430491), (969, 413609), (1101, 364021), (1127, 355623), (1173, 341677), (1311, 305711), (2261, 177261), (2499, 160379), (2569, 156009), (2737, 146433), (2793, 143497), (3059, 131019), (3381, 118541), (6239, 64239), (6783, 59087), (6973, 57477), (7429, 53949), (7707, 52003), (8211, 48811), (8441, 47481), (9177, 43673), (15827, 25323), (17983, 22287), (18717, 21413), (19159, 20919)]