27653805

素因数分解:

$3^4\times 5^1\times {\mathrm{68281}}^1$

素因数の和:68298

約数の個数: 20

約数和(自身を含む): 49572732

約数和(自身を除く): 21918927

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 68281, 204843, 341405, 614529, 1024215, 1843587, 3072645, 5530761, 9217935, 27653805]

約数ペア:

[(1, 27653805), (3, 9217935), (5, 5530761), (9, 3072645), (15, 1843587), (27, 1024215), (45, 614529), (81, 341405), (135, 204843), (405, 68281)]