28231917

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2609

約数の個数: 32

約数和(自身を含む): 47038464

約数和(自身を除く): 18806547

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 2551, 3689, 7653, 11067, 17857, 43367, 53571, 79081, 130101, 237243, 303569, 553567, 910707, 1344377, 1660701, 4033131, 9410639, 28231917]

約数ペア:

[(1, 28231917), (3, 9410639), (7, 4033131), (17, 1660701), (21, 1344377), (31, 910707), (51, 553567), (93, 303569), (119, 237243), (217, 130101), (357, 79081), (527, 53571), (651, 43367), (1581, 17857), (2551, 11067), (3689, 7653)]