39980235

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 66650112

約数和(自身を除く): 26669877

約数列:

[1, 3, 5, 15, 31, 93, 127, 155, 381, 465, 635, 677, 1905, 2031, 3385, 3937, 10155, 11811, 19685, 20987, 59055, 62961, 85979, 104935, 257937, 314805, 429895, 1289685, 2665349, 7996047, 13326745, 39980235]

約数ペア:

[(1, 39980235), (3, 13326745), (5, 7996047), (15, 2665349), (31, 1289685), (93, 429895), (127, 314805), (155, 257937), (381, 104935), (465, 85979), (635, 62961), (677, 59055), (1905, 20987), (2031, 19685), (3385, 11811), (3937, 10155)]