25940355

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 49986720

約数和(自身を除く): 24046365

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 435, 609, 735, 1015, 1217, 1421, 3045, 3651, 4263, 6085, 7105, 8519, 18255, 21315, 25557, 35293, 42595, 59633, 105879, 127785, 176465, 178899, 247051, 298165, 529395, 741153, 894495, 1235255, 1729357, 3705765, 5188071, 8646785, 25940355]

約数ペア:

[(1, 25940355), (3, 8646785), (5, 5188071), (7, 3705765), (15, 1729357), (21, 1235255), (29, 894495), (35, 741153), (49, 529395), (87, 298165), (105, 247051), (145, 178899), (147, 176465), (203, 127785), (245, 105879), (435, 59633), (609, 42595), (735, 35293), (1015, 25557), (1217, 21315), (1421, 18255), (3045, 8519), (3651, 7105), (4263, 6085)]