218510013

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{12487}}^1$

素因数の和:12816

約数の個数: 16

約数和(自身を含む): 307704320

約数和(自身を除く): 89194307

約数列:

[1, 3, 19, 57, 307, 921, 5833, 12487, 17499, 37461, 237253, 711759, 3833509, 11500527, 72836671, 218510013]

約数ペア:

[(1, 218510013), (3, 72836671), (19, 11500527), (57, 3833509), (307, 711759), (921, 237253), (5833, 37461), (12487, 17499)]