212745981

素因数分解:

$3^1\times 7^1\times {\mathrm{2273}}^1\times {\mathrm{4457}}^1$

素因数の和:6740

約数の個数: 16

約数和(自身を含む): 324399744

約数和(自身を除く): 111653763

約数列:

[1, 3, 7, 21, 2273, 4457, 6819, 13371, 15911, 31199, 47733, 93597, 10130761, 30392283, 70915327, 212745981]

約数ペア:

[(1, 212745981), (3, 70915327), (7, 30392283), (21, 10130761), (2273, 93597), (4457, 47733), (6819, 31199), (13371, 15911)]