81605394

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{38749}}^1$

素因数の和:38776

約数の個数: 40

約数和(自身を含む): 196927500

約数和(自身を除く): 115322106

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 38749, 77498, 116247, 232494, 348741, 503737, 697482, 1007474, 1046223, 1511211, 2092446, 3022422, 3138669, 4533633, 6277338, 9067266, 13600899, 27201798, 40802697, 81605394]

約数ペア:

[(1, 81605394), (2, 40802697), (3, 27201798), (6, 13600899), (9, 9067266), (13, 6277338), (18, 4533633), (26, 3138669), (27, 3022422), (39, 2092446), (54, 1511211), (78, 1046223), (81, 1007474), (117, 697482), (162, 503737), (234, 348741), (351, 232494), (702, 116247), (1053, 77498), (2106, 38749)]