91990731

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2609}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 148331520

約数和(自身を除く): 56340789

約数列:

[1, 3, 7, 21, 23, 69, 73, 161, 219, 483, 511, 1533, 1679, 2609, 5037, 7827, 11753, 18263, 35259, 54789, 60007, 180021, 190457, 420049, 571371, 1260147, 1333199, 3999597, 4380511, 13141533, 30663577, 91990731]

約数ペア:

[(1, 91990731), (3, 30663577), (7, 13141533), (21, 4380511), (23, 3999597), (69, 1333199), (73, 1260147), (161, 571371), (219, 420049), (483, 190457), (511, 180021), (1533, 60007), (1679, 54789), (2609, 35259), (5037, 18263), (7827, 11753)]