521331441

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{409}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 733434240

約数和(自身を除く): 212102799

約数列:

[1, 3, 41, 43, 123, 129, 241, 409, 723, 1227, 1763, 5289, 9881, 10363, 16769, 17587, 29643, 31089, 50307, 52761, 98569, 295707, 424883, 721067, 1274649, 2163201, 4041329, 4238467, 12123987, 12715401, 173777147, 521331441]

約数ペア:

[(1, 521331441), (3, 173777147), (41, 12715401), (43, 12123987), (123, 4238467), (129, 4041329), (241, 2163201), (409, 1274649), (723, 721067), (1227, 424883), (1763, 295707), (5289, 98569), (9881, 52761), (10363, 50307), (16769, 31089), (17587, 29643)]