7638741

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 13178880

約数和(自身を除く): 5540139

約数列:

[1, 3, 9, 11, 19, 31, 33, 57, 93, 99, 131, 171, 209, 279, 341, 393, 589, 627, 1023, 1179, 1441, 1767, 1881, 2489, 3069, 4061, 4323, 5301, 6479, 7467, 12183, 12969, 19437, 22401, 27379, 36549, 44671, 58311, 77159, 82137, 134013, 231477, 246411, 402039, 694431, 848749, 2546247, 7638741]

約数ペア:

[(1, 7638741), (3, 2546247), (9, 848749), (11, 694431), (19, 402039), (31, 246411), (33, 231477), (57, 134013), (93, 82137), (99, 77159), (131, 58311), (171, 44671), (209, 36549), (279, 27379), (341, 22401), (393, 19437), (589, 12969), (627, 12183), (1023, 7467), (1179, 6479), (1441, 5301), (1767, 4323), (1881, 4061), (2489, 3069)]