129120561

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1583}}^1$

素因数の和:1667

約数の個数: 40

約数和(自身を含む): 206997120

約数和(自身を除く): 77876559

約数列:

[1, 3, 9, 19, 27, 53, 57, 81, 159, 171, 477, 513, 1007, 1431, 1539, 1583, 3021, 4293, 4749, 9063, 14247, 27189, 30077, 42741, 81567, 83899, 90231, 128223, 251697, 270693, 755091, 812079, 1594081, 2265273, 2436237, 4782243, 6795819, 14346729, 43040187, 129120561]

約数ペア:

[(1, 129120561), (3, 43040187), (9, 14346729), (19, 6795819), (27, 4782243), (53, 2436237), (57, 2265273), (81, 1594081), (159, 812079), (171, 755091), (477, 270693), (513, 251697), (1007, 128223), (1431, 90231), (1539, 83899), (1583, 81567), (3021, 42741), (4293, 30077), (4749, 27189), (9063, 14247)]