1345421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:292

約数の個数: 16

約数和(自身を含む): 1703808

約数和(自身を除く): 358387

約数列:

[1, 7, 11, 77, 101, 173, 707, 1111, 1211, 1903, 7777, 13321, 17473, 122311, 192203, 1345421]

約数ペア:

[(1, 1345421), (7, 192203), (11, 122311), (77, 17473), (101, 13321), (173, 7777), (707, 1903), (1111, 1211)]