216288519

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{4073}}^1$

素因数の和:4678

約数の個数: 16

約数和(自身を含む): 298281984

約数和(自身を除く): 81993465

約数列:

[1, 3, 31, 93, 571, 1713, 4073, 12219, 17701, 53103, 126263, 378789, 2325683, 6977049, 72096173, 216288519]

約数ペア:

[(1, 216288519), (3, 72096173), (31, 6977049), (93, 2325683), (571, 378789), (1713, 126263), (4073, 53103), (12219, 17701)]