1860651

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 3261440

約数和(自身を除く): 1400789

約数列:

[1, 3, 9, 13, 19, 27, 31, 39, 57, 81, 93, 117, 171, 243, 247, 279, 351, 403, 513, 589, 741, 837, 1053, 1209, 1539, 1767, 2223, 2511, 3159, 3627, 4617, 5301, 6669, 7533, 7657, 10881, 15903, 20007, 22971, 32643, 47709, 60021, 68913, 97929, 143127, 206739, 620217, 1860651]

約数ペア:

[(1, 1860651), (3, 620217), (9, 206739), (13, 143127), (19, 97929), (27, 68913), (31, 60021), (39, 47709), (57, 32643), (81, 22971), (93, 20007), (117, 15903), (171, 10881), (243, 7657), (247, 7533), (279, 6669), (351, 5301), (403, 4617), (513, 3627), (589, 3159), (741, 2511), (837, 2223), (1053, 1767), (1209, 1539)]