393236487

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 662538240

約数和(自身を除く): 269301753

約数列:

[1, 3, 7, 9, 21, 63, 83, 157, 249, 471, 479, 581, 747, 1099, 1413, 1437, 1743, 3297, 3353, 4311, 5229, 9891, 10059, 13031, 30177, 39093, 39757, 75203, 91217, 117279, 119271, 225609, 273651, 278299, 357813, 526421, 676827, 820953, 834897, 1579263, 2504691, 4737789, 6241849, 18725547, 43692943, 56176641, 131078829, 393236487]

約数ペア:

[(1, 393236487), (3, 131078829), (7, 56176641), (9, 43692943), (21, 18725547), (63, 6241849), (83, 4737789), (157, 2504691), (249, 1579263), (471, 834897), (479, 820953), (581, 676827), (747, 526421), (1099, 357813), (1413, 278299), (1437, 273651), (1743, 225609), (3297, 119271), (3353, 117279), (4311, 91217), (5229, 75203), (9891, 39757), (10059, 39093), (13031, 30177)]