25778511

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 43973280

約数和(自身を除く): 18194769

約数列:

[1, 3, 9, 11, 17, 33, 51, 53, 99, 153, 159, 187, 289, 477, 561, 583, 867, 901, 1683, 1749, 2601, 2703, 3179, 4913, 5247, 8109, 9537, 9911, 14739, 15317, 28611, 29733, 44217, 45951, 54043, 89199, 137853, 162129, 168487, 260389, 486387, 505461, 781167, 1516383, 2343501, 2864279, 8592837, 25778511]

約数ペア:

[(1, 25778511), (3, 8592837), (9, 2864279), (11, 2343501), (17, 1516383), (33, 781167), (51, 505461), (53, 486387), (99, 260389), (153, 168487), (159, 162129), (187, 137853), (289, 89199), (477, 54043), (561, 45951), (583, 44217), (867, 29733), (901, 28611), (1683, 15317), (1749, 14739), (2601, 9911), (2703, 9537), (3179, 8109), (4913, 5247)]