15678921657

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{11527}}^1$

素因数の和:12050

約数の個数: 48

約数和(自身を含む): 25653027840

約数和(自身を除く): 9974106183

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 487, 931, 1461, 2793, 3409, 9253, 10227, 11527, 23863, 27759, 34581, 64771, 71589, 80689, 194313, 219013, 242067, 453397, 564823, 657039, 1360191, 1533091, 1694469, 4599273, 5613649, 10731637, 16840947, 32194911, 39295543, 106659331, 117886629, 275068801, 319977993, 746615317, 825206403, 2239845951, 5226307219, 15678921657]

約数ペア:

[(1, 15678921657), (3, 5226307219), (7, 2239845951), (19, 825206403), (21, 746615317), (49, 319977993), (57, 275068801), (133, 117886629), (147, 106659331), (399, 39295543), (487, 32194911), (931, 16840947), (1461, 10731637), (2793, 5613649), (3409, 4599273), (9253, 1694469), (10227, 1533091), (11527, 1360191), (23863, 657039), (27759, 564823), (34581, 453397), (64771, 242067), (71589, 219013), (80689, 194313)]