28878015

素因数分解:

$3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4801}}^1$

素因数の和:5210

約数の個数: 16

約数和(自身を含む): 46329696

約数和(自身を除く): 17451681

約数列:

[1, 3, 5, 15, 401, 1203, 2005, 4801, 6015, 14403, 24005, 72015, 1925201, 5775603, 9626005, 28878015]

約数ペア:

[(1, 28878015), (3, 9626005), (5, 5775603), (15, 1925201), (401, 72015), (1203, 24005), (2005, 14403), (4801, 6015)]