16940205

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4327}}^1$

素因数の和:4370

約数の個数: 32

約数和(自身を含む): 31161600

約数和(自身を除く): 14221395

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4327, 12981, 21635, 38943, 64905, 116829, 125483, 194715, 376449, 584145, 627415, 1129347, 1882245, 3388041, 5646735, 16940205]

約数ペア:

[(1, 16940205), (3, 5646735), (5, 3388041), (9, 1882245), (15, 1129347), (27, 627415), (29, 584145), (45, 376449), (87, 194715), (135, 125483), (145, 116829), (261, 64905), (435, 38943), (783, 21635), (1305, 12981), (3915, 4327)]