218861013

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{242371}}^1$

素因数の和:242424

約数の個数: 16

約数和(自身を含む): 341259776

約数和(自身を除く): 122398763

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 242371, 727113, 1696597, 5089791, 10421953, 31265859, 72953671, 218861013]

約数ペア:

[(1, 218861013), (3, 72953671), (7, 31265859), (21, 10421953), (43, 5089791), (129, 1696597), (301, 727113), (903, 242371)]