16866915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1291}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 29519616

約数和(自身を除く): 12652701

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 195, 201, 335, 871, 1005, 1291, 2613, 3873, 4355, 6455, 13065, 16783, 19365, 50349, 83915, 86497, 251745, 259491, 432485, 1124461, 1297455, 3373383, 5622305, 16866915]

約数ペア:

[(1, 16866915), (3, 5622305), (5, 3373383), (13, 1297455), (15, 1124461), (39, 432485), (65, 259491), (67, 251745), (195, 86497), (201, 83915), (335, 50349), (871, 19365), (1005, 16783), (1291, 13065), (2613, 6455), (3873, 4355)]