2818719

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 40

約数和(自身を含む): 4704480

約数和(自身を除く): 1885761

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 89, 153, 207, 267, 391, 459, 621, 801, 1173, 1377, 1513, 1863, 2047, 2403, 3519, 4539, 6141, 7209, 10557, 13617, 18423, 31671, 34799, 40851, 55269, 104397, 122553, 165807, 313191, 939573, 2818719]

約数ペア:

[(1, 2818719), (3, 939573), (9, 313191), (17, 165807), (23, 122553), (27, 104397), (51, 55269), (69, 40851), (81, 34799), (89, 31671), (153, 18423), (207, 13617), (267, 10557), (391, 7209), (459, 6141), (621, 4539), (801, 3519), (1173, 2403), (1377, 2047), (1513, 1863)]