388791603

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{683}}^1\times {\mathrm{727}}^1$

素因数の和:1448

約数の個数: 32

約数和(自身を含む): 597542400

約数和(自身を除く): 208750797

約数列:

[1, 3, 9, 27, 29, 87, 261, 683, 727, 783, 2049, 2181, 6147, 6543, 18441, 19629, 19807, 21083, 59421, 63249, 178263, 189747, 496541, 534789, 569241, 1489623, 4468869, 13406607, 14399689, 43199067, 129597201, 388791603]

約数ペア:

[(1, 388791603), (3, 129597201), (9, 43199067), (27, 14399689), (29, 13406607), (87, 4468869), (261, 1489623), (683, 569241), (727, 534789), (783, 496541), (2049, 189747), (2181, 178263), (6147, 63249), (6543, 59421), (18441, 21083), (19629, 19807)]