199297917

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{243343}}^1$

素因数の和:243369

約数の個数: 24

約数和(自身を含む): 354308864

約数和(自身を除く): 155010947

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 243343, 730029, 1703401, 2190087, 3163459, 5110203, 9490377, 15330609, 22144213, 28471131, 66432639, 199297917]

約数ペア:

[(1, 199297917), (3, 66432639), (7, 28471131), (9, 22144213), (13, 15330609), (21, 9490377), (39, 5110203), (63, 3163459), (91, 2190087), (117, 1703401), (273, 730029), (819, 243343)]