156939981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5821}}^1$

素因数の和:5897

約数の個数: 32

約数和(自身を含む): 245921280

約数和(自身を除く): 88981299

約数列:

[1, 3, 11, 19, 33, 43, 57, 129, 209, 473, 627, 817, 1419, 2451, 5821, 8987, 17463, 26961, 64031, 110599, 192093, 250303, 331797, 750909, 1216589, 2753333, 3649767, 4755757, 8259999, 14267271, 52313327, 156939981]

約数ペア:

[(1, 156939981), (3, 52313327), (11, 14267271), (19, 8259999), (33, 4755757), (43, 3649767), (57, 2753333), (129, 1216589), (209, 750909), (473, 331797), (627, 250303), (817, 192093), (1419, 110599), (2451, 64031), (5821, 26961), (8987, 17463)]