208195263

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{21559}}^1$

素因数の和:21631

約数の個数: 24

約数和(自身を含む): 319519200

約数和(自身を除く): 111323937

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 3219, 9657, 21559, 64677, 194031, 625211, 797683, 1875633, 2393049, 5626899, 7179147, 23132807, 69398421, 208195263]

約数ペア:

[(1, 208195263), (3, 69398421), (9, 23132807), (29, 7179147), (37, 5626899), (87, 2393049), (111, 1875633), (261, 797683), (333, 625211), (1073, 194031), (3219, 64677), (9657, 21559)]