72187821

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{140717}}^1$

素因数の和:140745

約数の個数: 16

約数和(自身を含む): 112574400

約数和(自身を除く): 40386579

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 140717, 422151, 1266453, 2673623, 3799359, 8020869, 24062607, 72187821]

約数ペア:

[(1, 72187821), (3, 24062607), (9, 8020869), (19, 3799359), (27, 2673623), (57, 1266453), (171, 422151), (513, 140717)]