12891615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 24330240

約数和(自身を除く): 11438625

約数列:

[1, 3, 5, 11, 15, 23, 33, 43, 55, 69, 79, 115, 129, 165, 215, 237, 253, 345, 395, 473, 645, 759, 869, 989, 1185, 1265, 1419, 1817, 2365, 2607, 2967, 3397, 3795, 4345, 4945, 5451, 7095, 9085, 10191, 10879, 13035, 14835, 16985, 19987, 27255, 32637, 37367, 50955, 54395, 59961, 78131, 99935, 112101, 163185, 186835, 234393, 299805, 390655, 560505, 859441, 1171965, 2578323, 4297205, 12891615]

約数ペア:

[(1, 12891615), (3, 4297205), (5, 2578323), (11, 1171965), (15, 859441), (23, 560505), (33, 390655), (43, 299805), (55, 234393), (69, 186835), (79, 163185), (115, 112101), (129, 99935), (165, 78131), (215, 59961), (237, 54395), (253, 50955), (345, 37367), (395, 32637), (473, 27255), (645, 19987), (759, 16985), (869, 14835), (989, 13035), (1185, 10879), (1265, 10191), (1419, 9085), (1817, 7095), (2365, 5451), (2607, 4945), (2967, 4345), (3397, 3795)]