245698089

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{16981}}^1$

素因数の和:17057

約数の個数: 32

約数和(自身を含む): 410828544

約数和(自身を除く): 165130455

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 2067, 4823, 14469, 16981, 50943, 118867, 220753, 356601, 662259, 899993, 1545271, 2699979, 4635813, 6299951, 11699909, 18899853, 35099727, 81899363, 245698089]

約数ペア:

[(1, 245698089), (3, 81899363), (7, 35099727), (13, 18899853), (21, 11699909), (39, 6299951), (53, 4635813), (91, 2699979), (159, 1545271), (273, 899993), (371, 662259), (689, 356601), (1113, 220753), (2067, 118867), (4823, 50943), (14469, 16981)]