209142

素因数分解:

$2^1\times 3^4\times {\mathrm{1291}}^1$

素因数の和:1305

約数の個数: 20

約数和(自身を含む): 468996

約数和(自身を除く): 259854

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1291, 2582, 3873, 7746, 11619, 23238, 34857, 69714, 104571, 209142]

約数ペア:

[(1, 209142), (2, 104571), (3, 69714), (6, 34857), (9, 23238), (18, 11619), (27, 7746), (54, 3873), (81, 2582), (162, 1291)]