201815739

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{393403}}^1$

素因数の和:393431

約数の個数: 16

約数和(自身を含む): 314723200

約数和(自身を除く): 112907461

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 393403, 1180209, 3540627, 7474657, 10621881, 22423971, 67271913, 201815739]

約数ペア:

[(1, 201815739), (3, 67271913), (9, 22423971), (19, 10621881), (27, 7474657), (57, 3540627), (171, 1180209), (513, 393403)]