201512985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{1229}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 342195840

約数和(自身を除く): 140682855

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 643, 1229, 1929, 3215, 3687, 6145, 9645, 10931, 18435, 20893, 32793, 54655, 62679, 104465, 163965, 313395, 790247, 2370741, 3951235, 11853705, 13434199, 40302597, 67170995, 201512985]

約数ペア:

[(1, 201512985), (3, 67170995), (5, 40302597), (15, 13434199), (17, 11853705), (51, 3951235), (85, 2370741), (255, 790247), (643, 313395), (1229, 163965), (1929, 104465), (3215, 62679), (3687, 54655), (6145, 32793), (9645, 20893), (10931, 18435)]