619275987

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4637}}^1$

素因数の和:4744

約数の個数: 48

約数和(自身を含む): 1041880320

約数和(自身を除く): 422604333

約数列:

[1, 3, 9, 11, 19, 33, 57, 71, 99, 171, 209, 213, 627, 639, 781, 1349, 1881, 2343, 4047, 4637, 7029, 12141, 13911, 14839, 41733, 44517, 51007, 88103, 133551, 153021, 264309, 329227, 459063, 792927, 969133, 987681, 2907399, 2963043, 3621497, 6255313, 8722197, 10864491, 18765939, 32593473, 56297817, 68808443, 206425329, 619275987]

約数ペア:

[(1, 619275987), (3, 206425329), (9, 68808443), (11, 56297817), (19, 32593473), (33, 18765939), (57, 10864491), (71, 8722197), (99, 6255313), (171, 3621497), (209, 2963043), (213, 2907399), (627, 987681), (639, 969133), (781, 792927), (1349, 459063), (1881, 329227), (2343, 264309), (4047, 153021), (4637, 133551), (7029, 88103), (12141, 51007), (13911, 44517), (14839, 41733)]