1642851

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 2751840

約数和(自身を除く): 1108989

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 293, 623, 801, 879, 1869, 2051, 2637, 5607, 6153, 18459, 26077, 78231, 182539, 234693, 547617, 1642851]

約数ペア:

[(1, 1642851), (3, 547617), (7, 234693), (9, 182539), (21, 78231), (63, 26077), (89, 18459), (267, 6153), (293, 5607), (623, 2637), (801, 2051), (879, 1869)]