201491307

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{67231}}^1$

素因数の和:67280

約数の個数: 20

約数和(自身を含む): 309132736

約数和(自身を除く): 107641429

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 67231, 201693, 605079, 1815237, 2487547, 5445711, 7462641, 22387923, 67163769, 201491307]

約数ペア:

[(1, 201491307), (3, 67163769), (9, 22387923), (27, 7462641), (37, 5445711), (81, 2487547), (111, 1815237), (333, 605079), (999, 201693), (2997, 67231)]