201620679

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1103}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 299228160

約数和(自身を除く): 97607481

約数列:

[1, 3, 13, 39, 43, 109, 129, 327, 559, 1103, 1417, 1677, 3309, 4251, 4687, 14061, 14339, 43017, 47429, 60931, 120227, 142287, 182793, 360681, 616577, 1562951, 1849731, 4688853, 5169761, 15509283, 67206893, 201620679]

約数ペア:

[(1, 201620679), (3, 67206893), (13, 15509283), (39, 5169761), (43, 4688853), (109, 1849731), (129, 1562951), (327, 616577), (559, 360681), (1103, 182793), (1417, 142287), (1677, 120227), (3309, 60931), (4251, 47429), (4687, 43017), (14061, 14339)]