68472819

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 100580480

約数和(自身を除く): 32107661

約数列:

[1, 3, 9, 109, 223, 313, 327, 669, 939, 981, 2007, 2817, 24307, 34117, 69799, 72921, 102351, 209397, 218763, 307053, 628191, 7608091, 22824273, 68472819]

約数ペア:

[(1, 68472819), (3, 22824273), (9, 7608091), (109, 628191), (223, 307053), (313, 218763), (327, 209397), (669, 102351), (939, 72921), (981, 69799), (2007, 34117), (2817, 24307)]