212802879

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 295389696

約数和(自身を除く): 82586817

約数列:

[1, 3, 31, 93, 223, 331, 669, 961, 993, 2883, 6913, 10261, 20739, 30783, 73813, 214303, 221439, 318091, 642909, 954273, 2288203, 6864609, 70934293, 212802879]

約数ペア:

[(1, 212802879), (3, 70934293), (31, 6864609), (93, 2288203), (223, 954273), (331, 642909), (669, 318091), (961, 221439), (993, 214303), (2883, 73813), (6913, 30783), (10261, 20739)]