27579279

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 48019200

約数和(自身を除く): 20439921

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 169, 247, 273, 399, 409, 507, 741, 1183, 1227, 1729, 2863, 3211, 3549, 5187, 5317, 7771, 8589, 9633, 15951, 22477, 23313, 37219, 54397, 67431, 69121, 101023, 111657, 163191, 207363, 303069, 483847, 707161, 1313299, 1451541, 2121483, 3939897, 9193093, 27579279]

約数ペア:

[(1, 27579279), (3, 9193093), (7, 3939897), (13, 2121483), (19, 1451541), (21, 1313299), (39, 707161), (57, 483847), (91, 303069), (133, 207363), (169, 163191), (247, 111657), (273, 101023), (399, 69121), (409, 67431), (507, 54397), (741, 37219), (1183, 23313), (1227, 22477), (1729, 15951), (2863, 9633), (3211, 8589), (3549, 7771), (5187, 5317)]