12877431

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 20545536

約数和(自身を除く): 7668105

約数列:

[1, 3, 7, 21, 31, 93, 131, 151, 217, 393, 453, 651, 917, 1057, 2751, 3171, 4061, 4681, 12183, 14043, 19781, 28427, 32767, 59343, 85281, 98301, 138467, 415401, 613211, 1839633, 4292477, 12877431]

約数ペア:

[(1, 12877431), (3, 4292477), (7, 1839633), (21, 613211), (31, 415401), (93, 138467), (131, 98301), (151, 85281), (217, 59343), (393, 32767), (453, 28427), (651, 19781), (917, 14043), (1057, 12183), (2751, 4681), (3171, 4061)]