213778893

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{26699}}^1$

素因数の和:26876

約数の個数: 16

約数和(自身を含む): 303739200

約数和(自身を除く): 89960307

約数列:

[1, 3, 17, 51, 157, 471, 2669, 8007, 26699, 80097, 453883, 1361649, 4191743, 12575229, 71259631, 213778893]

約数ペア:

[(1, 213778893), (3, 71259631), (17, 12575229), (51, 4191743), (157, 1361649), (471, 453883), (2669, 80097), (8007, 26699)]