1211913

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^2$

素因数の和:201

約数の個数: 18

約数和(自身を含む): 1874574

約数和(自身を除く): 662661

約数列:

[1, 3, 9, 17, 51, 89, 153, 267, 801, 1513, 4539, 7921, 13617, 23763, 71289, 134657, 403971, 1211913]

約数ペア:

[(1, 1211913), (3, 403971), (9, 134657), (17, 71289), (51, 23763), (89, 13617), (153, 7921), (267, 4539), (801, 1513)]