25237503

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:384

約数の個数: 36

約数和(自身を含む): 40101568

約数和(自身を除く): 14864065

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 289, 313, 527, 867, 939, 1581, 2601, 2817, 4743, 5321, 8959, 9703, 15963, 26877, 29109, 47889, 80631, 87327, 90457, 164951, 271371, 494853, 814113, 1484559, 2804167, 8412501, 25237503]

約数ペア:

[(1, 25237503), (3, 8412501), (9, 2804167), (17, 1484559), (31, 814113), (51, 494853), (93, 271371), (153, 164951), (279, 90457), (289, 87327), (313, 80631), (527, 47889), (867, 29109), (939, 26877), (1581, 15963), (2601, 9703), (2817, 8959), (4743, 5321)]