217398507

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{7177}}^1$

素因数の和:7642

約数の個数: 16

約数和(自身を含む): 303198720

約数和(自身を除く): 85800213

約数列:

[1, 3, 23, 69, 439, 1317, 7177, 10097, 21531, 30291, 165071, 495213, 3150703, 9452109, 72466169, 217398507]

約数ペア:

[(1, 217398507), (3, 72466169), (23, 9452109), (69, 3150703), (439, 495213), (1317, 165071), (7177, 30291), (10097, 21531)]