2780430135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{883}}^1\times {\mathrm{29989}}^1$

素因数の和:30887

約数の個数: 32

約数和(自身を含む): 5090142720

約数和(自身を除く): 2309712585

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 883, 2649, 4415, 6181, 13245, 18543, 29989, 30905, 89967, 92715, 149945, 209923, 449835, 629769, 1049615, 3148845, 26480287, 79440861, 132401435, 185362009, 397204305, 556086027, 926810045, 2780430135]

約数ペア:

[(1, 2780430135), (3, 926810045), (5, 556086027), (7, 397204305), (15, 185362009), (21, 132401435), (35, 79440861), (105, 26480287), (883, 3148845), (2649, 1049615), (4415, 629769), (6181, 449835), (13245, 209923), (18543, 149945), (29989, 92715), (30905, 89967)]