30831535

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2063}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 43765056

約数和(自身を除く): 12933521

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2063, 2135, 2989, 10315, 14441, 14945, 72205, 101087, 125843, 505435, 629215, 880901, 4404505, 6166307, 30831535]

約数ペア:

[(1, 30831535), (5, 6166307), (7, 4404505), (35, 880901), (49, 629215), (61, 505435), (245, 125843), (305, 101087), (427, 72205), (2063, 14945), (2135, 14441), (2989, 10315)]