81369576

素因数分解:

$2^3\times 3^3\times {\mathrm{449}}^1\times {\mathrm{839}}^1$

素因数の和:1303

約数の個数: 64

約数和(自身を含む): 226800000

約数和(自身を除く): 145430424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 449, 839, 898, 1347, 1678, 1796, 2517, 2694, 3356, 3592, 4041, 5034, 5388, 6712, 7551, 8082, 10068, 10776, 12123, 15102, 16164, 20136, 22653, 24246, 30204, 32328, 45306, 48492, 60408, 90612, 96984, 181224, 376711, 753422, 1130133, 1506844, 2260266, 3013688, 3390399, 4520532, 6780798, 9041064, 10171197, 13561596, 20342394, 27123192, 40684788, 81369576]

約数ペア:

[(1, 81369576), (2, 40684788), (3, 27123192), (4, 20342394), (6, 13561596), (8, 10171197), (9, 9041064), (12, 6780798), (18, 4520532), (24, 3390399), (27, 3013688), (36, 2260266), (54, 1506844), (72, 1130133), (108, 753422), (216, 376711), (449, 181224), (839, 96984), (898, 90612), (1347, 60408), (1678, 48492), (1796, 45306), (2517, 32328), (2694, 30204), (3356, 24246), (3592, 22653), (4041, 20136), (5034, 16164), (5388, 15102), (6712, 12123), (7551, 10776), (8082, 10068)]