28721491071

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{118343}}^1$

素因数の和:118500

約数の個数: 48

約数和(自身を含む): 48352518144

約数和(自身を除く): 19631027073

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 127, 147, 273, 381, 637, 889, 1651, 1911, 2667, 4953, 6223, 11557, 18669, 34671, 80899, 118343, 242697, 355029, 828401, 1538459, 2485203, 4615377, 5798807, 10769213, 15029561, 17396421, 32307639, 45088683, 75384491, 105206927, 195384293, 226153473, 315620781, 586152879, 736448489, 1367690051, 2209345467, 4103070153, 9573830357, 28721491071]

約数ペア:

[(1, 28721491071), (3, 9573830357), (7, 4103070153), (13, 2209345467), (21, 1367690051), (39, 736448489), (49, 586152879), (91, 315620781), (127, 226153473), (147, 195384293), (273, 105206927), (381, 75384491), (637, 45088683), (889, 32307639), (1651, 17396421), (1911, 15029561), (2667, 10769213), (4953, 5798807), (6223, 4615377), (11557, 2485203), (18669, 1538459), (34671, 828401), (80899, 355029), (118343, 242697)]