13493271

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 20706048

約数和(自身を除く): 7212777

約数列:

[1, 3, 11, 33, 37, 43, 111, 129, 257, 407, 473, 771, 1221, 1419, 1591, 2827, 4773, 8481, 9509, 11051, 17501, 28527, 33153, 52503, 104599, 121561, 313797, 364683, 408887, 1226661, 4497757, 13493271]

約数ペア:

[(1, 13493271), (3, 4497757), (11, 1226661), (33, 408887), (37, 364683), (43, 313797), (111, 121561), (129, 104599), (257, 52503), (407, 33153), (473, 28527), (771, 17501), (1221, 11051), (1419, 9509), (1591, 8481), (2827, 4773)]