427496589

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{1229}}^1$

素因数の和:2242

約数の個数: 32

約数和(自身を含む): 683289600

約数和(自身を除く): 255793011

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 991, 1229, 2973, 3687, 8919, 11061, 12883, 15977, 26757, 33183, 38649, 47931, 115947, 143793, 347841, 431379, 1217939, 3653817, 10961451, 15833207, 32884353, 47499621, 142498863, 427496589]

約数ペア:

[(1, 427496589), (3, 142498863), (9, 47499621), (13, 32884353), (27, 15833207), (39, 10961451), (117, 3653817), (351, 1217939), (991, 431379), (1229, 347841), (2973, 143793), (3687, 115947), (8919, 47931), (11061, 38649), (12883, 33183), (15977, 26757)]