251405517

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 371589120

約数和(自身を除く): 120183603

約数列:

[1, 3, 11, 33, 127, 223, 269, 381, 669, 807, 1397, 2453, 2959, 4191, 7359, 8877, 28321, 34163, 59987, 84963, 102489, 179961, 311531, 375793, 659857, 934593, 1127379, 1979571, 7618349, 22855047, 83801839, 251405517]

約数ペア:

[(1, 251405517), (3, 83801839), (11, 22855047), (33, 7618349), (127, 1979571), (223, 1127379), (269, 934593), (381, 659857), (669, 375793), (807, 311531), (1397, 179961), (2453, 102489), (2959, 84963), (4191, 59987), (7359, 34163), (8877, 28321)]