15980505

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15901}}^1$

素因数の和:15976

約数の個数: 16

約数和(自身を含む): 25952064

約数和(自身を除く): 9971559

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 15901, 47703, 79505, 238515, 1065367, 3196101, 5326835, 15980505]

約数ペア:

[(1, 15980505), (3, 5326835), (5, 3196101), (15, 1065367), (67, 238515), (201, 79505), (335, 47703), (1005, 15901)]