199902423

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2203}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 317376000

約数和(自身を除く): 117473577

約数列:

[1, 3, 7, 21, 29, 87, 149, 203, 447, 609, 1043, 2203, 3129, 4321, 6609, 12963, 15421, 30247, 46263, 63887, 90741, 191661, 328247, 447209, 984741, 1341627, 2297729, 6893187, 9519163, 28557489, 66634141, 199902423]

約数ペア:

[(1, 199902423), (3, 66634141), (7, 28557489), (21, 9519163), (29, 6893187), (87, 2297729), (149, 1341627), (203, 984741), (447, 447209), (609, 328247), (1043, 191661), (2203, 90741), (3129, 63887), (4321, 46263), (6609, 30247), (12963, 15421)]