1284206721

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{687109}}^1$

素因数の和:687208

約数の個数: 16

約数和(自身を含む): 1978876800

約数和(自身を除く): 694670079

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 687109, 2061327, 4809763, 14429289, 61152701, 183458103, 428068907, 1284206721]

約数ペア:

[(1, 1284206721), (3, 428068907), (7, 183458103), (21, 61152701), (89, 14429289), (267, 4809763), (623, 2061327), (1869, 687109)]