1280453481

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89989}}^1$

素因数の和:90046

約数の個数: 32

約数和(自身を含む): 2073369600

約数和(自身を除く): 792916119

約数列:

[1, 3, 9, 17, 27, 31, 51, 93, 153, 279, 459, 527, 837, 1581, 4743, 14229, 89989, 269967, 809901, 1529813, 2429703, 2789659, 4589439, 8368977, 13768317, 25106931, 41304951, 47424203, 75320793, 142272609, 426817827, 1280453481]

約数ペア:

[(1, 1280453481), (3, 426817827), (9, 142272609), (17, 75320793), (27, 47424203), (31, 41304951), (51, 25106931), (93, 13768317), (153, 8368977), (279, 4589439), (459, 2789659), (527, 2429703), (837, 1529813), (1581, 809901), (4743, 269967), (14229, 89989)]