17909559

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 27864000

約数和(自身を除く): 9954441

約数列:

[1, 3, 9, 27, 29, 87, 89, 257, 261, 267, 771, 783, 801, 2313, 2403, 2581, 6939, 7453, 7743, 22359, 22873, 23229, 67077, 68619, 69687, 201231, 205857, 617571, 663317, 1989951, 5969853, 17909559]

約数ペア:

[(1, 17909559), (3, 5969853), (9, 1989951), (27, 663317), (29, 617571), (87, 205857), (89, 201231), (257, 69687), (261, 68619), (267, 67077), (771, 23229), (783, 22873), (801, 22359), (2313, 7743), (2403, 7453), (2581, 6939)]