68985189

素因数分解:

$3^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:237

約数の個数: 80

約数和(自身を含む): 130099200

約数和(自身を除く): 61114011

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 191, 273, 343, 351, 441, 567, 573, 637, 819, 1029, 1053, 1323, 1337, 1719, 1911, 2457, 2483, 3087, 3969, 4011, 4459, 5157, 5733, 7371, 7449, 9261, 9359, 12033, 13377, 15471, 17199, 17381, 22347, 27783, 28077, 36099, 40131, 51597, 52143, 65513, 67041, 84231, 108297, 120393, 121667, 156429, 196539, 201123, 252693, 361179, 365001, 469287, 589617, 758079, 851669, 1095003, 1407861, 1768851, 2555007, 3285009, 5306553, 7665021, 9855027, 22995063, 68985189]

約数ペア:

[(1, 68985189), (3, 22995063), (7, 9855027), (9, 7665021), (13, 5306553), (21, 3285009), (27, 2555007), (39, 1768851), (49, 1407861), (63, 1095003), (81, 851669), (91, 758079), (117, 589617), (147, 469287), (189, 365001), (191, 361179), (273, 252693), (343, 201123), (351, 196539), (441, 156429), (567, 121667), (573, 120393), (637, 108297), (819, 84231), (1029, 67041), (1053, 65513), (1323, 52143), (1337, 51597), (1719, 40131), (1911, 36099), (2457, 28077), (2483, 27783), (3087, 22347), (3969, 17381), (4011, 17199), (4459, 15471), (5157, 13377), (5733, 12033), (7371, 9359), (7449, 9261)]