478359987

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{887}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 743476224

約数和(自身を除く): 265116237

約数列:

[1, 3, 7, 21, 61, 183, 421, 427, 887, 1263, 1281, 2661, 2947, 6209, 8841, 18627, 25681, 54107, 77043, 162321, 179767, 373427, 378749, 539301, 1120281, 1136247, 2613989, 7841967, 22779047, 68337141, 159453329, 478359987]

約数ペア:

[(1, 478359987), (3, 159453329), (7, 68337141), (21, 22779047), (61, 7841967), (183, 2613989), (421, 1136247), (427, 1120281), (887, 539301), (1263, 378749), (1281, 373427), (2661, 179767), (2947, 162321), (6209, 77043), (8841, 54107), (18627, 25681)]