389743263

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{475877}}^1$

素因数の和:475903

約数の個数: 24

約数和(自身を含む): 692878368

約数和(自身を除く): 303135105

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 475877, 1427631, 3331139, 4282893, 6186401, 9993417, 18559203, 29980251, 43304807, 55677609, 129914421, 389743263]

約数ペア:

[(1, 389743263), (3, 129914421), (7, 55677609), (9, 43304807), (13, 29980251), (21, 18559203), (39, 9993417), (63, 6186401), (91, 4282893), (117, 3331139), (273, 1427631), (819, 475877)]