31808154

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{108191}}^1$

素因数の和:108210

約数の個数: 24

約数和(自身を含む): 74003328

約数和(自身を除く): 42195174

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 108191, 216382, 324573, 649146, 757337, 1514674, 2272011, 4544022, 5301359, 10602718, 15904077, 31808154]

約数ペア:

[(1, 31808154), (2, 15904077), (3, 10602718), (6, 5301359), (7, 4544022), (14, 2272011), (21, 1514674), (42, 757337), (49, 649146), (98, 324573), (147, 216382), (294, 108191)]