215042457

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{619}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 334264320

約数和(自身を除く): 119221863

約数列:

[1, 3, 7, 21, 71, 213, 233, 497, 619, 699, 1491, 1631, 1857, 4333, 4893, 12999, 16543, 43949, 49629, 115801, 131847, 144227, 307643, 347403, 432681, 922929, 1009589, 3028767, 10240117, 30720351, 71680819, 215042457]

約数ペア:

[(1, 215042457), (3, 71680819), (7, 30720351), (21, 10240117), (71, 3028767), (213, 1009589), (233, 922929), (497, 432681), (619, 347403), (699, 307643), (1491, 144227), (1631, 131847), (1857, 115801), (4333, 49629), (4893, 43949), (12999, 16543)]