17720085

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 29449728

約数和(自身を除く): 11729643

約数列:

[1, 3, 5, 15, 43, 83, 129, 215, 249, 331, 415, 645, 993, 1245, 1655, 3569, 4965, 10707, 14233, 17845, 27473, 42699, 53535, 71165, 82419, 137365, 213495, 412095, 1181339, 3544017, 5906695, 17720085]

約数ペア:

[(1, 17720085), (3, 5906695), (5, 3544017), (15, 1181339), (43, 412095), (83, 213495), (129, 137365), (215, 82419), (249, 71165), (331, 53535), (415, 42699), (645, 27473), (993, 17845), (1245, 14233), (1655, 10707), (3569, 4965)]