12151993

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 14284800

約数和(自身を除く): 2132807

約数列:

[1, 7, 61, 149, 191, 427, 1043, 1337, 9089, 11651, 28459, 63623, 81557, 199213, 1735999, 12151993]

約数ペア:

[(1, 12151993), (7, 1735999), (61, 199213), (149, 81557), (191, 63623), (427, 28459), (1043, 11651), (1337, 9089)]