26978805

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{28549}}^1$

素因数の和:28570

約数の個数: 32

約数和(自身を含む): 54816000

約数和(自身を除く): 27837195

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 28549, 85647, 142745, 199843, 256941, 428235, 599529, 770823, 999215, 1284705, 1798587, 2997645, 3854115, 5395761, 8992935, 26978805]

約数ペア:

[(1, 26978805), (3, 8992935), (5, 5395761), (7, 3854115), (9, 2997645), (15, 1798587), (21, 1284705), (27, 999215), (35, 770823), (45, 599529), (63, 428235), (105, 256941), (135, 199843), (189, 142745), (315, 85647), (945, 28549)]