189901905

素因数分解:

$3^1\times 5^1\times {\mathrm{1867}}^1\times {\mathrm{6781}}^1$

素因数の和:8656

約数の個数: 16

約数和(自身を含む): 304050624

約数和(自身を除く): 114148719

約数列:

[1, 3, 5, 15, 1867, 5601, 6781, 9335, 20343, 28005, 33905, 101715, 12660127, 37980381, 63300635, 189901905]

約数ペア:

[(1, 189901905), (3, 63300635), (5, 37980381), (15, 12660127), (1867, 101715), (5601, 33905), (6781, 28005), (9335, 20343)]