81691182

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 180275472

約数和(自身を除く): 98584290

約数列:

[1, 2, 3, 6, 9, 18, 137, 157, 211, 274, 314, 411, 422, 471, 633, 822, 942, 1233, 1266, 1413, 1899, 2466, 2826, 3798, 21509, 28907, 33127, 43018, 57814, 64527, 66254, 86721, 99381, 129054, 173442, 193581, 198762, 260163, 298143, 387162, 520326, 596286, 4538399, 9076798, 13615197, 27230394, 40845591, 81691182]

約数ペア:

[(1, 81691182), (2, 40845591), (3, 27230394), (6, 13615197), (9, 9076798), (18, 4538399), (137, 596286), (157, 520326), (211, 387162), (274, 298143), (314, 260163), (411, 198762), (422, 193581), (471, 173442), (633, 129054), (822, 99381), (942, 86721), (1233, 66254), (1266, 64527), (1413, 57814), (1899, 43018), (2466, 33127), (2826, 28907), (3798, 21509)]