8971989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 13698048

約数和(自身を除く): 4726059

約数列:

[1, 3, 13, 31, 39, 41, 93, 123, 181, 403, 533, 543, 1209, 1271, 1599, 2353, 3813, 5611, 7059, 7421, 16523, 16833, 22263, 49569, 72943, 96473, 218829, 230051, 289419, 690153, 2990663, 8971989]

約数ペア:

[(1, 8971989), (3, 2990663), (13, 690153), (31, 289419), (39, 230051), (41, 218829), (93, 96473), (123, 72943), (181, 49569), (403, 22263), (533, 16833), (543, 16523), (1209, 7421), (1271, 7059), (1599, 5611), (2353, 3813)]