722804553

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{51581}}^1$

素因数の和:51766

約数の個数: 20

約数和(自身を含む): 1086007428

約数和(自身を除く): 363202875

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 4671, 14013, 51581, 154743, 464229, 1392687, 4178061, 8923513, 26770539, 80311617, 240934851, 722804553]

約数ペア:

[(1, 722804553), (3, 240934851), (9, 80311617), (27, 26770539), (81, 8923513), (173, 4178061), (519, 1392687), (1557, 464229), (4671, 154743), (14013, 51581)]