201947571

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{2647}}^1$

素因数の和:2840

約数の個数: 36

約数和(自身を含む): 341417232

約数和(自身を除く): 139469661

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 441, 519, 1211, 1557, 2647, 3633, 7941, 8477, 10899, 18529, 23823, 25431, 55587, 76293, 129703, 166761, 389109, 457931, 1167327, 1373793, 3205517, 4121379, 9616551, 22438619, 28849653, 67315857, 201947571]

約数ペア:

[(1, 201947571), (3, 67315857), (7, 28849653), (9, 22438619), (21, 9616551), (49, 4121379), (63, 3205517), (147, 1373793), (173, 1167327), (441, 457931), (519, 389109), (1211, 166761), (1557, 129703), (2647, 76293), (3633, 55587), (7941, 25431), (8477, 23823), (10899, 18529)]