2656563

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 4494336

約数和(自身を除く): 1837773

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 263, 273, 481, 777, 789, 1443, 1841, 3367, 3419, 5523, 9731, 10101, 10257, 23933, 29193, 68117, 71799, 126503, 204351, 379509, 885521, 2656563]

約数ペア:

[(1, 2656563), (3, 885521), (7, 379509), (13, 204351), (21, 126503), (37, 71799), (39, 68117), (91, 29193), (111, 23933), (259, 10257), (263, 10101), (273, 9731), (481, 5523), (777, 3419), (789, 3367), (1443, 1841)]