74786985

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2609}}^1$

素因数の和:2647

約数の個数: 72

約数和(自身を含む): 162456840

約数和(自身を除く): 87669855

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 91, 105, 117, 147, 195, 245, 273, 315, 441, 455, 585, 637, 735, 819, 1365, 1911, 2205, 2609, 3185, 4095, 5733, 7827, 9555, 13045, 18263, 23481, 28665, 33917, 39135, 54789, 91315, 101751, 117405, 127841, 164367, 169585, 237419, 273945, 305253, 383523, 508755, 639205, 712257, 821835, 1150569, 1187095, 1526265, 1661933, 1917615, 2136771, 3561285, 4985799, 5752845, 8309665, 10683855, 14957397, 24928995, 74786985]

約数ペア:

[(1, 74786985), (3, 24928995), (5, 14957397), (7, 10683855), (9, 8309665), (13, 5752845), (15, 4985799), (21, 3561285), (35, 2136771), (39, 1917615), (45, 1661933), (49, 1526265), (63, 1187095), (65, 1150569), (91, 821835), (105, 712257), (117, 639205), (147, 508755), (195, 383523), (245, 305253), (273, 273945), (315, 237419), (441, 169585), (455, 164367), (585, 127841), (637, 117405), (735, 101751), (819, 91315), (1365, 54789), (1911, 39135), (2205, 33917), (2609, 28665), (3185, 23481), (4095, 18263), (5733, 13045), (7827, 9555)]