13155501

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 19657728

約数和(自身を除く): 6502227

約数列:

[1, 3, 17, 31, 51, 53, 93, 157, 159, 471, 527, 901, 1581, 1643, 2669, 2703, 4867, 4929, 8007, 8321, 14601, 24963, 27931, 82739, 83793, 141457, 248217, 257951, 424371, 773853, 4385167, 13155501]

約数ペア:

[(1, 13155501), (3, 4385167), (17, 773853), (31, 424371), (51, 257951), (53, 248217), (93, 141457), (157, 83793), (159, 82739), (471, 27931), (527, 24963), (901, 14601), (1581, 8321), (1643, 8007), (2669, 4929), (2703, 4867)]