12161745

素因数分解:

$3^4\times 5^1\times {\mathrm{30029}}^1$

素因数の和:30046

約数の個数: 20

約数和(自身を含む): 21801780

約数和(自身を除く): 9640035

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 30029, 90087, 150145, 270261, 450435, 810783, 1351305, 2432349, 4053915, 12161745]

約数ペア:

[(1, 12161745), (3, 4053915), (5, 2432349), (9, 1351305), (15, 810783), (27, 450435), (45, 270261), (81, 150145), (135, 90087), (405, 30029)]