81080811

素因数分解:

$3^3\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1019}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 137740800

約数和(自身を除く): 56659989

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 421, 1019, 1263, 2947, 3057, 3789, 7133, 8841, 9171, 11367, 21399, 26523, 27513, 64197, 79569, 192591, 428999, 1286997, 3002993, 3860991, 9008979, 11582973, 27026937, 81080811]

約数ペア:

[(1, 81080811), (3, 27026937), (7, 11582973), (9, 9008979), (21, 3860991), (27, 3002993), (63, 1286997), (189, 428999), (421, 192591), (1019, 79569), (1263, 64197), (2947, 27513), (3057, 26523), (3789, 21399), (7133, 11367), (8841, 9171)]