12981807

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{853}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 19983600

約数和(自身を除く): 7001793

約数列:

[1, 3, 9, 19, 57, 89, 171, 267, 801, 853, 1691, 2559, 5073, 7677, 15219, 16207, 48621, 75917, 145863, 227751, 683253, 1442423, 4327269, 12981807]

約数ペア:

[(1, 12981807), (3, 4327269), (9, 1442423), (19, 683253), (57, 227751), (89, 145863), (171, 75917), (267, 48621), (801, 16207), (853, 15219), (1691, 7677), (2559, 5073)]