81138186

素因数分解:

$2^1\times 3^5\times {\mathrm{73}}^1\times {\mathrm{2287}}^1$

素因数の和:2377

約数の個数: 48

約数和(自身を含む): 184888704

約数和(自身を除く): 103750518

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 243, 438, 486, 657, 1314, 1971, 2287, 3942, 4574, 5913, 6861, 11826, 13722, 17739, 20583, 35478, 41166, 61749, 123498, 166951, 185247, 333902, 370494, 500853, 555741, 1001706, 1111482, 1502559, 3005118, 4507677, 9015354, 13523031, 27046062, 40569093, 81138186]

約数ペア:

[(1, 81138186), (2, 40569093), (3, 27046062), (6, 13523031), (9, 9015354), (18, 4507677), (27, 3005118), (54, 1502559), (73, 1111482), (81, 1001706), (146, 555741), (162, 500853), (219, 370494), (243, 333902), (438, 185247), (486, 166951), (657, 123498), (1314, 61749), (1971, 41166), (2287, 35478), (3942, 20583), (4574, 17739), (5913, 13722), (6861, 11826)]