201970431

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{7741}}^1$

素因数の和:7983

約数の個数: 24

約数和(自身を含む): 315625856

約数和(自身を除く): 113655425

約数列:

[1, 3, 9, 13, 39, 117, 223, 669, 2007, 2899, 7741, 8697, 23223, 26091, 69669, 100633, 301899, 905697, 1726243, 5178729, 15536187, 22441159, 67323477, 201970431]

約数ペア:

[(1, 201970431), (3, 67323477), (9, 22441159), (13, 15536187), (39, 5178729), (117, 1726243), (223, 905697), (669, 301899), (2007, 100633), (2899, 69669), (7741, 26091), (8697, 23223)]