25401999

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 40849920

約数和(自身を除く): 15447921

約数列:

[1, 3, 7, 21, 29, 53, 87, 159, 203, 371, 609, 787, 1113, 1537, 2361, 4611, 5509, 10759, 16527, 22823, 32277, 41711, 68469, 125133, 159761, 291977, 479283, 875931, 1209619, 3628857, 8467333, 25401999]

約数ペア:

[(1, 25401999), (3, 8467333), (7, 3628857), (21, 1209619), (29, 875931), (53, 479283), (87, 291977), (159, 159761), (203, 125133), (371, 68469), (609, 41711), (787, 32277), (1113, 22823), (1537, 16527), (2361, 10759), (4611, 5509)]