861354

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:436

約数の個数: 40

約数和(自身を含む): 2083620

約数和(自身を除く): 1222266

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 409, 702, 818, 1053, 1227, 2106, 2454, 3681, 5317, 7362, 10634, 11043, 15951, 22086, 31902, 33129, 47853, 66258, 95706, 143559, 287118, 430677, 861354]

約数ペア:

[(1, 861354), (2, 430677), (3, 287118), (6, 143559), (9, 95706), (13, 66258), (18, 47853), (26, 33129), (27, 31902), (39, 22086), (54, 15951), (78, 11043), (81, 10634), (117, 7362), (162, 5317), (234, 3681), (351, 2454), (409, 2106), (702, 1227), (818, 1053)]