66780795

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 109734912

約数和(自身を除く): 42954117

約数列:

[1, 3, 5, 15, 53, 159, 167, 265, 501, 503, 795, 835, 1509, 2505, 2515, 7545, 8851, 26553, 26659, 44255, 79977, 84001, 132765, 133295, 252003, 399885, 420005, 1260015, 4452053, 13356159, 22260265, 66780795]

約数ペア:

[(1, 66780795), (3, 22260265), (5, 13356159), (15, 4452053), (53, 1260015), (159, 420005), (167, 399885), (265, 252003), (501, 133295), (503, 132765), (795, 84001), (835, 79977), (1509, 44255), (2505, 26659), (2515, 26553), (7545, 8851)]