17932257

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 31749120

約数和(自身を除く): 13816863

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 211, 213, 399, 497, 633, 639, 1197, 1349, 1477, 1491, 1899, 4009, 4047, 4431, 4473, 9443, 12027, 12141, 13293, 14981, 28063, 28329, 36081, 44943, 84189, 84987, 104867, 134829, 252567, 284639, 314601, 853917, 943803, 1992473, 2561751, 5977419, 17932257]

約数ペア:

[(1, 17932257), (3, 5977419), (7, 2561751), (9, 1992473), (19, 943803), (21, 853917), (57, 314601), (63, 284639), (71, 252567), (133, 134829), (171, 104867), (211, 84987), (213, 84189), (399, 44943), (497, 36081), (633, 28329), (639, 28063), (1197, 14981), (1349, 13293), (1477, 12141), (1491, 12027), (1899, 9443), (4009, 4473), (4047, 4431)]