17980299

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 27397552

約数和(自身を除く): 9417253

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 1213, 1647, 3639, 4941, 10917, 14823, 32751, 73993, 98253, 221979, 294759, 665937, 1997811, 5993433, 17980299]

約数ペア:

[(1, 17980299), (3, 5993433), (9, 1997811), (27, 665937), (61, 294759), (81, 221979), (183, 98253), (243, 73993), (549, 32751), (1213, 14823), (1647, 10917), (3639, 4941)]