421543479

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{2111}}^1$

素因数の和:2415

約数の個数: 32

約数和(自身を含む): 662593536

約数和(自身を除く): 241050057

約数列:

[1, 3, 7, 21, 37, 111, 257, 259, 771, 777, 1799, 2111, 5397, 6333, 9509, 14777, 28527, 44331, 66563, 78107, 199689, 234321, 542527, 546749, 1627581, 1640247, 3797689, 11393067, 20073499, 60220497, 140514493, 421543479]

約数ペア:

[(1, 421543479), (3, 140514493), (7, 60220497), (21, 20073499), (37, 11393067), (111, 3797689), (257, 1640247), (259, 1627581), (771, 546749), (777, 542527), (1799, 234321), (2111, 199689), (5397, 78107), (6333, 66563), (9509, 44331), (14777, 28527)]