201980397531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1\times {\mathrm{305771}}^1$

素因数の和:306363

約数の個数: 32

約数和(自身を含む): 302288645376

約数和(自身を除く): 100308247845

約数列:

[1, 3, 11, 33, 37, 111, 407, 541, 1221, 1623, 5951, 17853, 20017, 60051, 220187, 305771, 660561, 917313, 3363481, 10090443, 11313527, 33940581, 124448797, 165422111, 373346391, 496266333, 1819643221, 5458929663, 6120618107, 18361854321, 67326799177, 201980397531]

約数ペア:

[(1, 201980397531), (3, 67326799177), (11, 18361854321), (33, 6120618107), (37, 5458929663), (111, 1819643221), (407, 496266333), (541, 373346391), (1221, 165422111), (1623, 124448797), (5951, 33940581), (17853, 11313527), (20017, 10090443), (60051, 3363481), (220187, 917313), (305771, 660561)]