17981331

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{619}}^1$

素因数の和:1066

約数の個数: 16

約数和(自身を含む): 25117440

約数和(自身を除く): 7136109

約数列:

[1, 3, 23, 69, 421, 619, 1263, 1857, 9683, 14237, 29049, 42711, 260599, 781797, 5993777, 17981331]

約数ペア:

[(1, 17981331), (3, 5993777), (23, 781797), (69, 260599), (421, 42711), (619, 29049), (1263, 14237), (1857, 9683)]