217409835

素因数分解:

$3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{53881}}^1$

素因数の和:54158

約数の個数: 16

約数和(自身を含む): 349155360

約数和(自身を除く): 131745525

約数列:

[1, 3, 5, 15, 269, 807, 1345, 4035, 53881, 161643, 269405, 808215, 14493989, 43481967, 72469945, 217409835]

約数ペア:

[(1, 217409835), (3, 72469945), (5, 43481967), (15, 14493989), (269, 808215), (807, 269405), (1345, 161643), (4035, 53881)]