213301545

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{4729}}^1$

素因数の和:4865

約数の個数: 32

約数和(自身を含む): 355998720

約数和(自身を除く): 142697175

約数列:

[1, 3, 5, 15, 31, 93, 97, 155, 291, 465, 485, 1455, 3007, 4729, 9021, 14187, 15035, 23645, 45105, 70935, 146599, 439797, 458713, 732995, 1376139, 2198985, 2293565, 6880695, 14220103, 42660309, 71100515, 213301545]

約数ペア:

[(1, 213301545), (3, 71100515), (5, 42660309), (15, 14220103), (31, 6880695), (93, 2293565), (97, 2198985), (155, 1376139), (291, 732995), (465, 458713), (485, 439797), (1455, 146599), (3007, 70935), (4729, 45105), (9021, 23645), (14187, 15035)]