644712963

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1\times {\mathrm{4091}}^1$

素因数の和:4626

約数の個数: 16

約数和(自身を含む): 868551552

約数和(自身を除く): 223838589

約数列:

[1, 3, 131, 393, 401, 1203, 4091, 12273, 52531, 157593, 535921, 1607763, 1640491, 4921473, 214904321, 644712963]

約数ペア:

[(1, 644712963), (3, 214904321), (131, 4921473), (393, 1640491), (401, 1607763), (1203, 535921), (4091, 157593), (12273, 52531)]