72381001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30323}}^1$

素因数の和:30372

約数の個数: 16

約数和(自身を含む): 93155328

約数和(自身を除く): 20774327

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 30323, 212261, 333553, 940013, 2334871, 6580091, 10340143, 72381001]

約数ペア:

[(1, 72381001), (7, 10340143), (11, 6580091), (31, 2334871), (77, 940013), (217, 333553), (341, 212261), (2387, 30323)]