61220691

素因数分解:

$3^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 110849024

約数和(自身を除く): 49628333

約数列:

[1, 3, 7, 9, 21, 27, 31, 43, 63, 81, 93, 129, 189, 217, 243, 279, 301, 387, 567, 651, 729, 837, 903, 1161, 1333, 1701, 1953, 2187, 2511, 2709, 3483, 3999, 5103, 5859, 6561, 7533, 8127, 9331, 10449, 11997, 15309, 17577, 22599, 24381, 27993, 31347, 35991, 45927, 52731, 67797, 73143, 83979, 94041, 107973, 158193, 203391, 219429, 251937, 282123, 323919, 474579, 658287, 755811, 971757, 1423737, 1974861, 2267433, 2915271, 6802299, 8745813, 20406897, 61220691]

約数ペア:

[(1, 61220691), (3, 20406897), (7, 8745813), (9, 6802299), (21, 2915271), (27, 2267433), (31, 1974861), (43, 1423737), (63, 971757), (81, 755811), (93, 658287), (129, 474579), (189, 323919), (217, 282123), (243, 251937), (279, 219429), (301, 203391), (387, 158193), (567, 107973), (651, 94041), (729, 83979), (837, 73143), (903, 67797), (1161, 52731), (1333, 45927), (1701, 35991), (1953, 31347), (2187, 27993), (2511, 24381), (2709, 22599), (3483, 17577), (3999, 15309), (5103, 11997), (5859, 10449), (6561, 9331), (7533, 8127)]