178526145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{12979}}^1$

素因数の和:13125

約数の個数: 32

約数和(自身を含む): 328965120

約数和(自身を除く): 150438975

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1965, 2751, 4585, 12979, 13755, 38937, 64895, 90853, 194685, 272559, 454265, 1362795, 1700249, 5100747, 8501245, 11901743, 25503735, 35705229, 59508715, 178526145]

約数ペア:

[(1, 178526145), (3, 59508715), (5, 35705229), (7, 25503735), (15, 11901743), (21, 8501245), (35, 5100747), (105, 1700249), (131, 1362795), (393, 454265), (655, 272559), (917, 194685), (1965, 90853), (2751, 64895), (4585, 38937), (12979, 13755)]