1640982555

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{16001}}^1$

素因数の和:16108

約数の個数: 48

約数和(自身を含む): 2965618656

約数和(自身を除く): 1324636101

約数列:

[1, 3, 5, 9, 15, 43, 45, 53, 129, 159, 215, 265, 387, 477, 645, 795, 1935, 2279, 2385, 6837, 11395, 16001, 20511, 34185, 48003, 80005, 102555, 144009, 240015, 688043, 720045, 848053, 2064129, 2544159, 3440215, 4240265, 6192387, 7632477, 10320645, 12720795, 30961935, 36466279, 38162385, 109398837, 182331395, 328196511, 546994185, 1640982555]

約数ペア:

[(1, 1640982555), (3, 546994185), (5, 328196511), (9, 182331395), (15, 109398837), (43, 38162385), (45, 36466279), (53, 30961935), (129, 12720795), (159, 10320645), (215, 7632477), (265, 6192387), (387, 4240265), (477, 3440215), (645, 2544159), (795, 2064129), (1935, 848053), (2279, 720045), (2385, 688043), (6837, 240015), (11395, 144009), (16001, 102555), (20511, 80005), (34185, 48003)]