28778295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 58705920

約数和(自身を除く): 29927625

約数列:

[1, 3, 5, 7, 13, 15, 21, 29, 35, 39, 65, 87, 91, 105, 145, 195, 203, 273, 377, 435, 455, 609, 727, 1015, 1131, 1365, 1885, 2181, 2639, 3045, 3635, 5089, 5655, 7917, 9451, 10905, 13195, 15267, 21083, 25445, 28353, 39585, 47255, 63249, 66157, 76335, 105415, 141765, 147581, 198471, 274079, 316245, 330785, 442743, 737905, 822237, 992355, 1370395, 1918553, 2213715, 4111185, 5755659, 9592765, 28778295]

約数ペア:

[(1, 28778295), (3, 9592765), (5, 5755659), (7, 4111185), (13, 2213715), (15, 1918553), (21, 1370395), (29, 992355), (35, 822237), (39, 737905), (65, 442743), (87, 330785), (91, 316245), (105, 274079), (145, 198471), (195, 147581), (203, 141765), (273, 105415), (377, 76335), (435, 66157), (455, 63249), (609, 47255), (727, 39585), (1015, 28353), (1131, 25445), (1365, 21083), (1885, 15267), (2181, 13195), (2639, 10905), (3045, 9451), (3635, 7917), (5089, 5655)]