1221255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{3877}}^1$

素因数の和:3895

約数の個数: 24

約数和(自身を含む): 2419872

約数和(自身を除く): 1198617

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 3877, 11631, 19385, 27139, 34893, 58155, 81417, 135695, 174465, 244251, 407085, 1221255]

約数ペア:

[(1, 1221255), (3, 407085), (5, 244251), (7, 174465), (9, 135695), (15, 81417), (21, 58155), (35, 34893), (45, 27139), (63, 19385), (105, 11631), (315, 3877)]