165547921

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 233280000

約数和(自身を除く): 67732079

約数列:

[1, 7, 11, 17, 29, 49, 77, 89, 119, 187, 203, 319, 343, 493, 539, 623, 833, 979, 1309, 1421, 1513, 2233, 2581, 3451, 3773, 4361, 5423, 5831, 6853, 9163, 9947, 10591, 15631, 16643, 18067, 24157, 28391, 30527, 37961, 43877, 47971, 64141, 74137, 109417, 116501, 126469, 169099, 198737, 265727, 307139, 335797, 482647, 518959, 815507, 885283, 1391159, 1860089, 2149973, 3378529, 5708549, 9738113, 15049811, 23649703, 165547921]

約数ペア:

[(1, 165547921), (7, 23649703), (11, 15049811), (17, 9738113), (29, 5708549), (49, 3378529), (77, 2149973), (89, 1860089), (119, 1391159), (187, 885283), (203, 815507), (319, 518959), (343, 482647), (493, 335797), (539, 307139), (623, 265727), (833, 198737), (979, 169099), (1309, 126469), (1421, 116501), (1513, 109417), (2233, 74137), (2581, 64141), (3451, 47971), (3773, 43877), (4361, 37961), (5423, 30527), (5831, 28391), (6853, 24157), (9163, 18067), (9947, 16643), (10591, 15631)]