189717687

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{569}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 288100800

約数和(自身を除く): 98383113

約数列:

[1, 3, 9, 27, 53, 159, 233, 477, 569, 699, 1431, 1707, 2097, 5121, 6291, 12349, 15363, 30157, 37047, 90471, 111141, 132577, 271413, 333423, 397731, 814239, 1193193, 3579579, 7026581, 21079743, 63239229, 189717687]

約数ペア:

[(1, 189717687), (3, 63239229), (9, 21079743), (27, 7026581), (53, 3579579), (159, 1193193), (233, 814239), (477, 397731), (569, 333423), (699, 271413), (1431, 132577), (1707, 111141), (2097, 90471), (5121, 37047), (6291, 30157), (12349, 15363)]