210977847

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{3391}}^1$

素因数の和:3651

約数の個数: 24

約数和(自身を含む): 316080128

約数和(自身を除く): 105102281

約数列:

[1, 3, 9, 31, 93, 223, 279, 669, 2007, 3391, 6913, 10173, 20739, 30519, 62217, 105121, 315363, 756193, 946089, 2268579, 6805737, 23441983, 70325949, 210977847]

約数ペア:

[(1, 210977847), (3, 70325949), (9, 23441983), (31, 6805737), (93, 2268579), (223, 946089), (279, 756193), (669, 315363), (2007, 105121), (3391, 62217), (6913, 30519), (10173, 20739)]