261830751

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{3389}}^1$

素因数の和:3695

約数の個数: 32

約数和(自身を含む): 431316480

約数和(自身を除く): 169485729

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 283, 849, 1981, 3389, 3679, 5943, 10167, 11037, 23723, 25753, 44057, 71169, 77259, 132171, 308399, 925197, 959087, 2877261, 6713609, 12468131, 20140827, 37404393, 87276917, 261830751]

約数ペア:

[(1, 261830751), (3, 87276917), (7, 37404393), (13, 20140827), (21, 12468131), (39, 6713609), (91, 2877261), (273, 959087), (283, 925197), (849, 308399), (1981, 132171), (3389, 77259), (3679, 71169), (5943, 44057), (10167, 25753), (11037, 23723)]