7213005

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1801}}^1$

素因数の和:1901

約数の個数: 24

約数和(自身を含む): 12650040

約数和(自身を除く): 5437035

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 1801, 4005, 5403, 9005, 16209, 27015, 81045, 160289, 480867, 801445, 1442601, 2404335, 7213005]

約数ペア:

[(1, 7213005), (3, 2404335), (5, 1442601), (9, 801445), (15, 480867), (45, 160289), (89, 81045), (267, 27015), (445, 16209), (801, 9005), (1335, 5403), (1801, 4005)]