221488971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{394811}}^1$

素因数の和:394842

約数の個数: 16

約数和(自身を含む): 341117568

約数和(自身を除く): 119628597

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 394811, 1184433, 4342921, 6711787, 13028763, 20135361, 73829657, 221488971]

約数ペア:

[(1, 221488971), (3, 73829657), (11, 20135361), (17, 13028763), (33, 6711787), (51, 4342921), (187, 1184433), (561, 394811)]