290445561

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90397}}^1$

素因数の和:90430

約数の個数: 32

約数和(自身を含む): 520692480

約数和(自身を除く): 230246919

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 90397, 271191, 632779, 813573, 1536749, 1898337, 2440719, 4610247, 5695011, 10757243, 13830741, 17085033, 32271729, 41492223, 96815187, 290445561]

約数ペア:

[(1, 290445561), (3, 96815187), (7, 41492223), (9, 32271729), (17, 17085033), (21, 13830741), (27, 10757243), (51, 5695011), (63, 4610247), (119, 2440719), (153, 1898337), (189, 1536749), (357, 813573), (459, 632779), (1071, 271191), (3213, 90397)]