15205047

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 25269888

約数和(自身を除く): 10064841

約数列:

[1, 3, 11, 13, 23, 33, 39, 67, 69, 143, 201, 253, 299, 429, 529, 737, 759, 871, 897, 1541, 1587, 2211, 2613, 3289, 4623, 5819, 6877, 9581, 9867, 16951, 17457, 20033, 20631, 28743, 35443, 50853, 60099, 75647, 106329, 220363, 226941, 389873, 460759, 661089, 1169619, 1382277, 5068349, 15205047]

約数ペア:

[(1, 15205047), (3, 5068349), (11, 1382277), (13, 1169619), (23, 661089), (33, 460759), (39, 389873), (67, 226941), (69, 220363), (143, 106329), (201, 75647), (253, 60099), (299, 50853), (429, 35443), (529, 28743), (737, 20631), (759, 20033), (871, 17457), (897, 16951), (1541, 9867), (1587, 9581), (2211, 6877), (2613, 5819), (3289, 4623)]