80765811

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 140474880

約数和(自身を除く): 59709069

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 139, 161, 207, 401, 417, 483, 973, 1203, 1251, 1449, 2807, 2919, 3197, 3609, 8421, 8757, 9223, 9591, 22379, 25263, 27669, 28773, 55739, 64561, 67137, 83007, 167217, 193683, 201411, 390173, 501651, 581049, 1170519, 1281997, 3511557, 3845991, 8973979, 11537973, 26921937, 80765811]

約数ペア:

[(1, 80765811), (3, 26921937), (7, 11537973), (9, 8973979), (21, 3845991), (23, 3511557), (63, 1281997), (69, 1170519), (139, 581049), (161, 501651), (207, 390173), (401, 201411), (417, 193683), (483, 167217), (973, 83007), (1203, 67137), (1251, 64561), (1449, 55739), (2807, 28773), (2919, 27669), (3197, 25263), (3609, 22379), (8421, 9591), (8757, 9223)]