212960307

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{191339}}^1$

素因数の和:191402

約数の個数: 16

約数和(自身を含む): 330635520

約数和(自身を除く): 117675213

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 191339, 574017, 1339373, 4018119, 10140967, 30422901, 70986769, 212960307]

約数ペア:

[(1, 212960307), (3, 70986769), (7, 30422901), (21, 10140967), (53, 4018119), (159, 1339373), (371, 574017), (1113, 191339)]