31147215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^2$

素因数の和:292

約数の個数: 36

約数和(自身を含む): 55199256

約数和(自身を除く): 24052041

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 131, 165, 363, 393, 605, 655, 1441, 1815, 1965, 4323, 7205, 15851, 17161, 21615, 47553, 51483, 79255, 85805, 188771, 237765, 257415, 566313, 943855, 2076481, 2831565, 6229443, 10382405, 31147215]

約数ペア:

[(1, 31147215), (3, 10382405), (5, 6229443), (11, 2831565), (15, 2076481), (33, 943855), (55, 566313), (121, 257415), (131, 237765), (165, 188771), (363, 85805), (393, 79255), (605, 51483), (655, 47553), (1441, 21615), (1815, 17161), (1965, 15851), (4323, 7205)]