25997097

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 43535232

約数和(自身を除く): 17538135

約数列:

[1, 3, 7, 17, 21, 49, 51, 101, 103, 119, 147, 303, 309, 357, 707, 721, 833, 1717, 1751, 2121, 2163, 2499, 4949, 5047, 5151, 5253, 10403, 12019, 12257, 14847, 15141, 31209, 36057, 36771, 72821, 84133, 85799, 176851, 218463, 252399, 257397, 509747, 530553, 1237957, 1529241, 3713871, 8665699, 25997097]

約数ペア:

[(1, 25997097), (3, 8665699), (7, 3713871), (17, 1529241), (21, 1237957), (49, 530553), (51, 509747), (101, 257397), (103, 252399), (119, 218463), (147, 176851), (303, 85799), (309, 84133), (357, 72821), (707, 36771), (721, 36057), (833, 31209), (1717, 15141), (1751, 14847), (2121, 12257), (2163, 12019), (2499, 10403), (4949, 5253), (5047, 5151)]