39928239

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 65100672

約数和(自身を除く): 25172433

約数列:

[1, 3, 9, 13, 39, 47, 53, 117, 137, 141, 159, 411, 423, 477, 611, 689, 1233, 1781, 1833, 2067, 2491, 5343, 5499, 6201, 6439, 7261, 7473, 16029, 19317, 21783, 22419, 32383, 57951, 65349, 83707, 94393, 97149, 251121, 283179, 291447, 341267, 753363, 849537, 1023801, 3071403, 4436471, 13309413, 39928239]

約数ペア:

[(1, 39928239), (3, 13309413), (9, 4436471), (13, 3071403), (39, 1023801), (47, 849537), (53, 753363), (117, 341267), (137, 291447), (141, 283179), (159, 251121), (411, 97149), (423, 94393), (477, 83707), (611, 65349), (689, 57951), (1233, 32383), (1781, 22419), (1833, 21783), (2067, 19317), (2491, 16029), (5343, 7473), (5499, 7261), (6201, 6439)]