3117681

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 5660928

約数和(自身を除く): 2543247

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 71, 119, 123, 153, 213, 287, 357, 369, 497, 639, 697, 861, 1071, 1207, 1491, 2091, 2583, 2911, 3621, 4473, 4879, 6273, 8449, 8733, 10863, 14637, 20377, 25347, 26199, 43911, 49487, 61131, 76041, 148461, 183393, 346409, 445383, 1039227, 3117681]

約数ペア:

[(1, 3117681), (3, 1039227), (7, 445383), (9, 346409), (17, 183393), (21, 148461), (41, 76041), (51, 61131), (63, 49487), (71, 43911), (119, 26199), (123, 25347), (153, 20377), (213, 14637), (287, 10863), (357, 8733), (369, 8449), (497, 6273), (639, 4879), (697, 4473), (861, 3621), (1071, 2911), (1207, 2583), (1491, 2091)]