628535019

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1\times {\mathrm{739}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 970974720

約数和(自身を除く): 342439701

約数列:

[1, 3, 7, 21, 101, 303, 401, 707, 739, 1203, 2121, 2217, 2807, 5173, 8421, 15519, 40501, 74639, 121503, 223917, 283507, 296339, 522473, 850521, 889017, 1567419, 2074373, 6223119, 29930239, 89790717, 209511673, 628535019]

約数ペア:

[(1, 628535019), (3, 209511673), (7, 89790717), (21, 29930239), (101, 6223119), (303, 2074373), (401, 1567419), (707, 889017), (739, 850521), (1203, 522473), (2121, 296339), (2217, 283507), (2807, 223917), (5173, 121503), (8421, 74639), (15519, 40501)]