15389297

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 20628480

約数和(自身を除く): 5239183

約数列:

[1, 7, 11, 19, 67, 77, 133, 157, 209, 469, 737, 1099, 1273, 1463, 1727, 2983, 5159, 8911, 10519, 12089, 14003, 20881, 32813, 73633, 98021, 115709, 199861, 229691, 809963, 1399027, 2198471, 15389297]

約数ペア:

[(1, 15389297), (7, 2198471), (11, 1399027), (19, 809963), (67, 229691), (77, 199861), (133, 115709), (157, 98021), (209, 73633), (469, 32813), (737, 20881), (1099, 14003), (1273, 12089), (1463, 10519), (1727, 8911), (2983, 5159)]