90509319

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 142702560

約数和(自身を除く): 52193241

約数列:

[1, 3, 9, 27, 29, 53, 81, 87, 159, 261, 477, 727, 783, 1431, 1537, 2181, 2349, 4293, 4611, 6543, 13833, 19629, 21083, 38531, 41499, 58887, 63249, 115593, 124497, 189747, 346779, 569241, 1040337, 1117399, 1707723, 3121011, 3352197, 10056591, 30169773, 90509319]

約数ペア:

[(1, 90509319), (3, 30169773), (9, 10056591), (27, 3352197), (29, 3121011), (53, 1707723), (81, 1117399), (87, 1040337), (159, 569241), (261, 346779), (477, 189747), (727, 124497), (783, 115593), (1431, 63249), (1537, 58887), (2181, 41499), (2349, 38531), (4293, 21083), (4611, 19629), (6543, 13833)]