9989427

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 16128000

約数和(自身を除く): 6138573

約数列:

[1, 3, 7, 21, 29, 47, 87, 141, 203, 329, 349, 609, 987, 1047, 1363, 2443, 4089, 7329, 9541, 10121, 16403, 28623, 30363, 49209, 70847, 114821, 212541, 344463, 475687, 1427061, 3329809, 9989427]

約数ペア:

[(1, 9989427), (3, 3329809), (7, 1427061), (21, 475687), (29, 344463), (47, 212541), (87, 114821), (141, 70847), (203, 49209), (329, 30363), (349, 28623), (609, 16403), (987, 10121), (1047, 9541), (1363, 7329), (2443, 4089)]