1656741

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:308

約数の個数: 16

約数和(自身を含む): 2318400

約数和(自身を除く): 661659

約数列:

[1, 3, 29, 87, 137, 139, 411, 417, 3973, 4031, 11919, 12093, 19043, 57129, 552247, 1656741]

約数ペア:

[(1, 1656741), (3, 552247), (29, 57129), (87, 19043), (137, 12093), (139, 11919), (411, 4031), (417, 3973)]