406728

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{269}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 1296000

約数和(自身を除く): 889272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 269, 378, 504, 538, 756, 807, 1076, 1512, 1614, 1883, 2152, 2421, 3228, 3766, 4842, 5649, 6456, 7263, 7532, 9684, 11298, 14526, 15064, 16947, 19368, 22596, 29052, 33894, 45192, 50841, 58104, 67788, 101682, 135576, 203364, 406728]

約数ペア:

[(1, 406728), (2, 203364), (3, 135576), (4, 101682), (6, 67788), (7, 58104), (8, 50841), (9, 45192), (12, 33894), (14, 29052), (18, 22596), (21, 19368), (24, 16947), (27, 15064), (28, 14526), (36, 11298), (42, 9684), (54, 7532), (56, 7263), (63, 6456), (72, 5649), (84, 4842), (108, 3766), (126, 3228), (168, 2421), (189, 2152), (216, 1883), (252, 1614), (269, 1512), (378, 1076), (504, 807), (538, 756)]