78655521

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{55903}}^1$

素因数の和:55980

約数の個数: 16

約数和(自身を含む): 121647104

約数和(自身を除く): 42991583

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 55903, 167709, 391321, 1173963, 3745501, 11236503, 26218507, 78655521]

約数ペア:

[(1, 78655521), (3, 26218507), (7, 11236503), (21, 3745501), (67, 1173963), (201, 391321), (469, 167709), (1407, 55903)]