17774991

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 28728000

約数和(自身を除く): 10953009

約数列:

[1, 3, 9, 13, 27, 39, 89, 117, 267, 351, 569, 801, 1157, 1707, 2403, 3471, 5121, 7397, 10413, 15363, 22191, 31239, 50641, 66573, 151923, 199719, 455769, 658333, 1367307, 1974999, 5924997, 17774991]

約数ペア:

[(1, 17774991), (3, 5924997), (9, 1974999), (13, 1367307), (27, 658333), (39, 455769), (89, 199719), (117, 151923), (267, 66573), (351, 50641), (569, 31239), (801, 22191), (1157, 15363), (1707, 10413), (2403, 7397), (3471, 5121)]