16870845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 28569600

約数和(自身を除く): 11698755

約数列:

[1, 3, 5, 15, 23, 69, 79, 115, 237, 345, 395, 619, 1185, 1817, 1857, 3095, 5451, 9085, 9285, 14237, 27255, 42711, 48901, 71185, 146703, 213555, 244505, 733515, 1124723, 3374169, 5623615, 16870845]

約数ペア:

[(1, 16870845), (3, 5623615), (5, 3374169), (15, 1124723), (23, 733515), (69, 244505), (79, 213555), (115, 146703), (237, 71185), (345, 48901), (395, 42711), (619, 27255), (1185, 14237), (1817, 9285), (1857, 9085), (3095, 5451)]