128260209

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{2383}}^1$

素因数の和:2637

約数の個数: 32

約数和(自身を含む): 214216704

約数和(自身を除く): 85956495

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 233, 699, 1631, 2383, 2563, 4893, 7149, 7689, 16681, 17941, 26213, 50043, 53823, 78639, 183491, 550473, 555239, 1665717, 3886673, 6107629, 11660019, 18322887, 42753403, 128260209]

約数ペア:

[(1, 128260209), (3, 42753403), (7, 18322887), (11, 11660019), (21, 6107629), (33, 3886673), (77, 1665717), (231, 555239), (233, 550473), (699, 183491), (1631, 78639), (2383, 53823), (2563, 50043), (4893, 26213), (7149, 17941), (7689, 16681)]