217979385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1019}}^1\times {\mathrm{1097}}^1$

素因数の和:2137

約数の個数: 32

約数和(自身を含む): 376306560

約数和(自身を除く): 158327175

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1019, 1097, 3057, 3291, 5095, 5485, 13247, 14261, 15285, 16455, 39741, 42783, 66235, 71305, 198705, 213915, 1117843, 3353529, 5589215, 14531959, 16767645, 43595877, 72659795, 217979385]

約数ペア:

[(1, 217979385), (3, 72659795), (5, 43595877), (13, 16767645), (15, 14531959), (39, 5589215), (65, 3353529), (195, 1117843), (1019, 213915), (1097, 198705), (3057, 71305), (3291, 66235), (5095, 42783), (5485, 39741), (13247, 16455), (14261, 15285)]