28980585

素因数分解:

$3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 52388160

約数和(自身を除く): 23407575

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 163, 405, 439, 489, 815, 1317, 1467, 2195, 2445, 3951, 4401, 6585, 7335, 11853, 13203, 19755, 22005, 35559, 59265, 66015, 71557, 177795, 214671, 357785, 644013, 1073355, 1932039, 3220065, 5796117, 9660195, 28980585]

約数ペア:

[(1, 28980585), (3, 9660195), (5, 5796117), (9, 3220065), (15, 1932039), (27, 1073355), (45, 644013), (81, 357785), (135, 214671), (163, 177795), (405, 71557), (439, 66015), (489, 59265), (815, 35559), (1317, 22005), (1467, 19755), (2195, 13203), (2445, 11853), (3951, 7335), (4401, 6585)]