1291815

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{1367}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 2626560

約数和(自身を除く): 1334745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 1367, 4101, 6835, 9569, 12303, 20505, 28707, 36909, 47845, 61515, 86121, 143535, 184545, 258363, 430605, 1291815]

約数ペア:

[(1, 1291815), (3, 430605), (5, 258363), (7, 184545), (9, 143535), (15, 86121), (21, 61515), (27, 47845), (35, 36909), (45, 28707), (63, 20505), (105, 12303), (135, 9569), (189, 6835), (315, 4101), (945, 1367)]