2021990415

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1\times {\mathrm{1789}}^1$

素因数の和:2447

約数の個数: 32

約数和(自身を含む): 3264960000

約数和(自身を除く): 1242969585

約数列:

[1, 3, 5, 15, 151, 453, 499, 755, 1497, 1789, 2265, 2495, 5367, 7485, 8945, 26835, 75349, 226047, 270139, 376745, 810417, 892711, 1130235, 1350695, 2678133, 4052085, 4463555, 13390665, 134799361, 404398083, 673996805, 2021990415]

約数ペア:

[(1, 2021990415), (3, 673996805), (5, 404398083), (15, 134799361), (151, 13390665), (453, 4463555), (499, 4052085), (755, 2678133), (1497, 1350695), (1789, 1130235), (2265, 892711), (2495, 810417), (5367, 376745), (7485, 270139), (8945, 226047), (26835, 75349)]