1900992705

素因数分解:

$3^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{63781}}^1$

素因数の和:65776

約数の個数: 16

約数和(自身を含む): 3043166784

約数和(自身を除く): 1142174079

約数列:

[1, 3, 5, 15, 1987, 5961, 9935, 29805, 63781, 191343, 318905, 956715, 126732847, 380198541, 633664235, 1900992705]

約数ペア:

[(1, 1900992705), (3, 633664235), (5, 380198541), (15, 126732847), (1987, 956715), (5961, 318905), (9935, 191343), (29805, 63781)]