26530821

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{17239}}^1$

素因数の和:17270

約数の個数: 20

約数和(自身を含む): 41720800

約数和(自身を除く): 15189979

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 17239, 51717, 155151, 327541, 465453, 982623, 1396359, 2947869, 8843607, 26530821]

約数ペア:

[(1, 26530821), (3, 8843607), (9, 2947869), (19, 1396359), (27, 982623), (57, 465453), (81, 327541), (171, 155151), (513, 51717), (1539, 17239)]