42291555

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 70045248

約数和(自身を除く): 27753693

約数列:

[1, 3, 5, 15, 37, 111, 181, 185, 421, 543, 555, 905, 1263, 2105, 2715, 6315, 6697, 15577, 20091, 33485, 46731, 76201, 77885, 100455, 228603, 233655, 381005, 1143015, 2819437, 8458311, 14097185, 42291555]

約数ペア:

[(1, 42291555), (3, 14097185), (5, 8458311), (15, 2819437), (37, 1143015), (111, 381005), (181, 233655), (185, 228603), (421, 100455), (543, 77885), (555, 76201), (905, 46731), (1263, 33485), (2105, 20091), (2715, 15577), (6315, 6697)]