12381321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2357}}^1$

素因数の和:2480

約数の個数: 16

約数和(自身を含む): 17656704

約数和(自身を除く): 5275383

約数列:

[1, 3, 17, 51, 103, 309, 1751, 2357, 5253, 7071, 40069, 120207, 242771, 728313, 4127107, 12381321]

約数ペア:

[(1, 12381321), (3, 4127107), (17, 728313), (51, 242771), (103, 120207), (309, 40069), (1751, 7071), (2357, 5253)]