919927617

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4639}}^1$

素因数の和:4746

約数の個数: 48

約数和(自身を含む): 1523404800

約数和(自身を除く): 603477183

約数列:

[1, 3, 7, 19, 21, 49, 57, 71, 133, 147, 213, 399, 497, 931, 1349, 1491, 2793, 3479, 4047, 4639, 9443, 10437, 13917, 28329, 32473, 66101, 88141, 97419, 198303, 227311, 264423, 329369, 616987, 681933, 988107, 1850961, 2305583, 4318909, 6258011, 6916749, 12956727, 16139081, 18774033, 43806077, 48417243, 131418231, 306642539, 919927617]

約数ペア:

[(1, 919927617), (3, 306642539), (7, 131418231), (19, 48417243), (21, 43806077), (49, 18774033), (57, 16139081), (71, 12956727), (133, 6916749), (147, 6258011), (213, 4318909), (399, 2305583), (497, 1850961), (931, 988107), (1349, 681933), (1491, 616987), (2793, 329369), (3479, 264423), (4047, 227311), (4639, 198303), (9443, 97419), (10437, 88141), (13917, 66101), (28329, 32473)]