42070509

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{39953}}^1$

素因数の和:39978

約数の個数: 20

約数和(自身を含む): 67682076

約数和(自身を除く): 25611567

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 39953, 119859, 359577, 519389, 1078731, 1558167, 3236193, 4674501, 14023503, 42070509]

約数ペア:

[(1, 42070509), (3, 14023503), (9, 4674501), (13, 3236193), (27, 1558167), (39, 1078731), (81, 519389), (117, 359577), (351, 119859), (1053, 39953)]