81520878

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{1213}}^1$

素因数の和:1728

約数の個数: 32

約数和(自身を含む): 170620416

約数和(自身を除く): 89099538

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 487, 974, 1213, 1461, 2426, 2922, 3639, 7278, 11201, 22402, 27899, 33603, 55798, 67206, 83697, 167394, 590731, 1181462, 1772193, 3544386, 13586813, 27173626, 40760439, 81520878]

約数ペア:

[(1, 81520878), (2, 40760439), (3, 27173626), (6, 13586813), (23, 3544386), (46, 1772193), (69, 1181462), (138, 590731), (487, 167394), (974, 83697), (1213, 67206), (1461, 55798), (2426, 33603), (2922, 27899), (3639, 22402), (7278, 11201)]