390735873

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^2$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 670632480

約数和(自身を除く): 279896607

約数列:

[1, 3, 9, 11, 27, 31, 33, 37, 93, 99, 111, 279, 297, 333, 341, 407, 837, 961, 999, 1023, 1147, 1221, 1369, 2883, 3069, 3441, 3663, 4107, 8649, 9207, 10323, 10571, 10989, 12321, 12617, 15059, 25947, 30969, 31713, 35557, 36963, 37851, 42439, 45177, 95139, 106671, 113553, 127317, 135531, 285417, 320013, 340659, 381951, 391127, 406593, 466829, 960039, 1145853, 1173381, 1315609, 1400487, 3520143, 3946827, 4201461, 10560429, 11840481, 12604383, 14471699, 35521443, 43415097, 130245291, 390735873]

約数ペア:

[(1, 390735873), (3, 130245291), (9, 43415097), (11, 35521443), (27, 14471699), (31, 12604383), (33, 11840481), (37, 10560429), (93, 4201461), (99, 3946827), (111, 3520143), (279, 1400487), (297, 1315609), (333, 1173381), (341, 1145853), (407, 960039), (837, 466829), (961, 406593), (999, 391127), (1023, 381951), (1147, 340659), (1221, 320013), (1369, 285417), (2883, 135531), (3069, 127317), (3441, 113553), (3663, 106671), (4107, 95139), (8649, 45177), (9207, 42439), (10323, 37851), (10571, 36963), (10989, 35557), (12321, 31713), (12617, 30969), (15059, 25947)]