138804519

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1051}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 223528960

約数和(自身を除く): 84724441

約数列:

[1, 3, 7, 19, 21, 57, 133, 331, 399, 993, 1051, 2317, 3153, 6289, 6951, 7357, 18867, 19969, 22071, 44023, 59907, 132069, 139783, 347881, 419349, 1043643, 2435167, 6609739, 7305501, 19829217, 46268173, 138804519]

約数ペア:

[(1, 138804519), (3, 46268173), (7, 19829217), (19, 7305501), (21, 6609739), (57, 2435167), (133, 1043643), (331, 419349), (399, 347881), (993, 139783), (1051, 132069), (2317, 59907), (3153, 44023), (6289, 22071), (6951, 19969), (7357, 18867)]