1086915921

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{28643}}^1$

素因数の和:28805

約数の個数: 32

約数和(自身を含む): 1796551680

約数和(自身を除く): 709635759

約数列:

[1, 3, 7, 13, 21, 39, 91, 139, 273, 417, 973, 1807, 2919, 5421, 12649, 28643, 37947, 85929, 200501, 372359, 601503, 1117077, 2606513, 3981377, 7819539, 11944131, 27869639, 51757901, 83608917, 155273703, 362305307, 1086915921]

約数ペア:

[(1, 1086915921), (3, 362305307), (7, 155273703), (13, 83608917), (21, 51757901), (39, 27869639), (91, 11944131), (139, 7819539), (273, 3981377), (417, 2606513), (973, 1117077), (1807, 601503), (2919, 372359), (5421, 200501), (12649, 85929), (28643, 37947)]