201325221

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{1571}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 301635360

約数和(自身を除く): 100310139

約数列:

[1, 3, 9, 29, 87, 261, 491, 1473, 1571, 4419, 4713, 14139, 14239, 42717, 45559, 128151, 136677, 410031, 771361, 2314083, 6942249, 22369469, 67108407, 201325221]

約数ペア:

[(1, 201325221), (3, 67108407), (9, 22369469), (29, 6942249), (87, 2314083), (261, 771361), (491, 410031), (1473, 136677), (1571, 128151), (4419, 45559), (4713, 42717), (14139, 14239)]