201897915

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 328720896

約数和(自身を除く): 126822981

約数列:

[1, 3, 5, 15, 83, 249, 257, 415, 631, 771, 1245, 1285, 1893, 3155, 3855, 9465, 21331, 52373, 63993, 106655, 157119, 162167, 261865, 319965, 486501, 785595, 810835, 2432505, 13459861, 40379583, 67299305, 201897915]

約数ペア:

[(1, 201897915), (3, 67299305), (5, 40379583), (15, 13459861), (83, 2432505), (249, 810835), (257, 785595), (415, 486501), (631, 319965), (771, 261865), (1245, 162167), (1285, 157119), (1893, 106655), (3155, 63993), (3855, 52373), (9465, 21331)]