28459179

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 50032320

約数和(自身を除く): 21573141

約数列:

[1, 3, 7, 9, 21, 29, 37, 63, 87, 111, 203, 259, 261, 333, 421, 609, 777, 1073, 1263, 1827, 2331, 2947, 3219, 3789, 7511, 8841, 9657, 12209, 15577, 22533, 26523, 36627, 46731, 67599, 85463, 109039, 109881, 140193, 256389, 327117, 451733, 769167, 981351, 1355199, 3162131, 4065597, 9486393, 28459179]

約数ペア:

[(1, 28459179), (3, 9486393), (7, 4065597), (9, 3162131), (21, 1355199), (29, 981351), (37, 769167), (63, 451733), (87, 327117), (111, 256389), (203, 140193), (259, 109881), (261, 109039), (333, 85463), (421, 67599), (609, 46731), (777, 36627), (1073, 26523), (1263, 22533), (1827, 15577), (2331, 12209), (2947, 9657), (3219, 8841), (3789, 7511)]