25509231

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 44478720

約数和(自身を除く): 18969489

約数列:

[1, 3, 9, 11, 17, 23, 33, 51, 69, 99, 153, 187, 207, 253, 391, 561, 659, 759, 1173, 1683, 1977, 2277, 3519, 4301, 5931, 7249, 11203, 12903, 15157, 21747, 33609, 38709, 45471, 65241, 100827, 123233, 136413, 166727, 257669, 369699, 500181, 773007, 1109097, 1500543, 2319021, 2834359, 8503077, 25509231]

約数ペア:

[(1, 25509231), (3, 8503077), (9, 2834359), (11, 2319021), (17, 1500543), (23, 1109097), (33, 773007), (51, 500181), (69, 369699), (99, 257669), (153, 166727), (187, 136413), (207, 123233), (253, 100827), (391, 65241), (561, 45471), (659, 38709), (759, 33609), (1173, 21747), (1683, 15157), (1977, 12903), (2277, 11203), (3519, 7249), (4301, 5931)]