28276275

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{19843}}^1$

素因数の和:19875

約数の個数: 24

約数和(自身を含む): 49213120

約数和(自身を除く): 20936845

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 19843, 59529, 99215, 297645, 377017, 496075, 1131051, 1488225, 1885085, 5655255, 9425425, 28276275]

約数ペア:

[(1, 28276275), (3, 9425425), (5, 5655255), (15, 1885085), (19, 1488225), (25, 1131051), (57, 496075), (75, 377017), (95, 297645), (285, 99215), (475, 59529), (1425, 19843)]