168240213

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{569}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 256089600

約数和(自身を除く): 87849387

約数列:

[1, 3, 9, 27, 47, 141, 233, 423, 569, 699, 1269, 1707, 2097, 5121, 6291, 10951, 15363, 26743, 32853, 80229, 98559, 132577, 240687, 295677, 397731, 722061, 1193193, 3579579, 6231119, 18693357, 56080071, 168240213]

約数ペア:

[(1, 168240213), (3, 56080071), (9, 18693357), (27, 6231119), (47, 3579579), (141, 1193193), (233, 722061), (423, 397731), (569, 295677), (699, 240687), (1269, 132577), (1707, 98559), (2097, 80229), (5121, 32853), (6291, 26743), (10951, 15363)]