999972

素因数分解:

$2^2\times 3^3\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 2661120

約数和(自身を除く): 1661148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 94, 108, 141, 188, 197, 282, 394, 423, 564, 591, 788, 846, 1182, 1269, 1692, 1773, 2364, 2538, 3546, 5076, 5319, 7092, 9259, 10638, 18518, 21276, 27777, 37036, 55554, 83331, 111108, 166662, 249993, 333324, 499986, 999972]

約数ペア:

[(1, 999972), (2, 499986), (3, 333324), (4, 249993), (6, 166662), (9, 111108), (12, 83331), (18, 55554), (27, 37036), (36, 27777), (47, 21276), (54, 18518), (94, 10638), (108, 9259), (141, 7092), (188, 5319), (197, 5076), (282, 3546), (394, 2538), (423, 2364), (564, 1773), (591, 1692), (788, 1269), (846, 1182)]