221566215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1136237}}^1$

素因数の和:1136258

約数の個数: 16

約数和(自身を含む): 381775968

約数和(自身を除く): 160209753

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1136237, 3408711, 5681185, 14771081, 17043555, 44313243, 73855405, 221566215]

約数ペア:

[(1, 221566215), (3, 73855405), (5, 44313243), (13, 17043555), (15, 14771081), (39, 5681185), (65, 3408711), (195, 1136237)]