25458537

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 17119383

約数列:

[1, 3, 13, 17, 19, 39, 43, 47, 51, 57, 129, 141, 221, 247, 323, 559, 611, 663, 731, 741, 799, 817, 893, 969, 1677, 1833, 2021, 2193, 2397, 2451, 2679, 4199, 6063, 9503, 10387, 10621, 11609, 12597, 13889, 15181, 26273, 28509, 31161, 31863, 34357, 34827, 38399, 41667, 45543, 78819, 103071, 115197, 180557, 197353, 446641, 499187, 541671, 592059, 652783, 1339923, 1497561, 1958349, 8486179, 25458537]

約数ペア:

[(1, 25458537), (3, 8486179), (13, 1958349), (17, 1497561), (19, 1339923), (39, 652783), (43, 592059), (47, 541671), (51, 499187), (57, 446641), (129, 197353), (141, 180557), (221, 115197), (247, 103071), (323, 78819), (559, 45543), (611, 41667), (663, 38399), (731, 34827), (741, 34357), (799, 31863), (817, 31161), (893, 28509), (969, 26273), (1677, 15181), (1833, 13889), (2021, 12597), (2193, 11609), (2397, 10621), (2451, 10387), (2679, 9503), (4199, 6063)]