220189083

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^3$

素因数の和:208

約数の個数: 32

約数和(自身を含む): 327758400

約数和(自身を除く): 107569317

約数列:

[1, 3, 17, 29, 51, 53, 87, 159, 493, 901, 1479, 1537, 2703, 2809, 4611, 8427, 26129, 47753, 78387, 81461, 143259, 148877, 244383, 446631, 1384837, 2530909, 4154511, 4317433, 7592727, 12952299, 73396361, 220189083]

約数ペア:

[(1, 220189083), (3, 73396361), (17, 12952299), (29, 7592727), (51, 4317433), (53, 4154511), (87, 2530909), (159, 1384837), (493, 446631), (901, 244383), (1479, 148877), (1537, 143259), (2703, 81461), (2809, 78387), (4611, 47753), (8427, 26129)]