201391059

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{659}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 289935360

約数和(自身を除く): 88544301

約数列:

[1, 3, 23, 43, 69, 103, 129, 309, 659, 989, 1977, 2369, 2967, 4429, 7107, 13287, 15157, 28337, 45471, 67877, 85011, 101867, 203631, 305601, 651751, 1561171, 1955253, 2918711, 4683513, 8756133, 67130353, 201391059]

約数ペア:

[(1, 201391059), (3, 67130353), (23, 8756133), (43, 4683513), (69, 2918711), (103, 1955253), (129, 1561171), (309, 651751), (659, 305601), (989, 203631), (1977, 101867), (2369, 85011), (2967, 67877), (4429, 45471), (7107, 28337), (13287, 15157)]