1720975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 2312352

約数和(自身を除く): 591377

約数列:

[1, 5, 23, 25, 41, 73, 115, 205, 365, 575, 943, 1025, 1679, 1825, 2993, 4715, 8395, 14965, 23575, 41975, 68839, 74825, 344195, 1720975]

約数ペア:

[(1, 1720975), (5, 344195), (23, 74825), (25, 68839), (41, 41975), (73, 23575), (115, 14965), (205, 8395), (365, 4715), (575, 2993), (943, 1825), (1025, 1679)]