39871455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1471}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 69242880

約数和(自身を除く): 29371425

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 695, 1471, 1807, 2085, 4413, 5421, 7355, 9035, 19123, 22065, 27105, 57369, 95615, 204469, 286845, 613407, 1022345, 2658097, 3067035, 7974291, 13290485, 39871455]

約数ペア:

[(1, 39871455), (3, 13290485), (5, 7974291), (13, 3067035), (15, 2658097), (39, 1022345), (65, 613407), (139, 286845), (195, 204469), (417, 95615), (695, 57369), (1471, 27105), (1807, 22065), (2085, 19123), (4413, 9035), (5421, 7355)]