1648391391

素因数分解:

$3^4\times {\mathrm{617}}^1\times {\mathrm{32983}}^1$

素因数の和:33612

約数の個数: 20

約数和(自身を含む): 2466477552

約数和(自身を除く): 818086161

約数列:

[1, 3, 9, 27, 81, 617, 1851, 5553, 16659, 32983, 49977, 98949, 296847, 890541, 2671623, 20350511, 61051533, 183154599, 549463797, 1648391391]

約数ペア:

[(1, 1648391391), (3, 549463797), (9, 183154599), (27, 61051533), (81, 20350511), (617, 2671623), (1851, 890541), (5553, 296847), (16659, 98949), (32983, 49977)]