51708945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 87588864

約数和(自身を除く): 35879919

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 2111, 4899, 6333, 8165, 10555, 24495, 31665, 48553, 145659, 149881, 242765, 449643, 728295, 749405, 2248215, 3447263, 10341789, 17236315, 51708945]

約数ペア:

[(1, 51708945), (3, 17236315), (5, 10341789), (15, 3447263), (23, 2248215), (69, 749405), (71, 728295), (115, 449643), (213, 242765), (345, 149881), (355, 145659), (1065, 48553), (1633, 31665), (2111, 24495), (4899, 10555), (6333, 8165)]