8139447

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:309

約数の個数: 40

約数和(自身を含む): 13486176

約数和(自身を除く): 5346729

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 257, 391, 459, 621, 771, 1173, 1377, 1863, 2313, 3519, 4369, 5911, 6939, 10557, 13107, 17733, 20817, 31671, 39321, 53199, 100487, 117963, 159597, 301461, 353889, 478791, 904383, 2713149, 8139447]

約数ペア:

[(1, 8139447), (3, 2713149), (9, 904383), (17, 478791), (23, 353889), (27, 301461), (51, 159597), (69, 117963), (81, 100487), (153, 53199), (207, 39321), (257, 31671), (391, 20817), (459, 17733), (621, 13107), (771, 10557), (1173, 6939), (1377, 5911), (1863, 4369), (2313, 3519)]