28886247

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 21433113

約数列:

[1, 3, 9, 13, 17, 27, 39, 47, 51, 103, 117, 141, 153, 221, 309, 351, 423, 459, 611, 663, 799, 927, 1269, 1339, 1751, 1833, 1989, 2397, 2781, 4017, 4841, 5253, 5499, 5967, 7191, 10387, 12051, 14523, 15759, 16497, 21573, 22763, 31161, 36153, 43569, 47277, 62933, 68289, 82297, 93483, 130707, 188799, 204867, 246891, 280449, 566397, 614601, 740673, 1069861, 1699191, 2222019, 3209583, 9628749, 28886247]

約数ペア:

[(1, 28886247), (3, 9628749), (9, 3209583), (13, 2222019), (17, 1699191), (27, 1069861), (39, 740673), (47, 614601), (51, 566397), (103, 280449), (117, 246891), (141, 204867), (153, 188799), (221, 130707), (309, 93483), (351, 82297), (423, 68289), (459, 62933), (611, 47277), (663, 43569), (799, 36153), (927, 31161), (1269, 22763), (1339, 21573), (1751, 16497), (1833, 15759), (1989, 14523), (2397, 12051), (2781, 10387), (4017, 7191), (4841, 5967), (5253, 5499)]