28476765

素因数分解:

$3^4\times 5^1\times {\mathrm{70313}}^1$

素因数の和:70330

約数の個数: 20

約数和(自身を含む): 51047964

約数和(自身を除く): 22571199

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70313, 210939, 351565, 632817, 1054695, 1898451, 3164085, 5695353, 9492255, 28476765]

約数ペア:

[(1, 28476765), (3, 9492255), (5, 5695353), (9, 3164085), (15, 1898451), (27, 1054695), (45, 632817), (81, 351565), (135, 210939), (405, 70313)]