66915639

素因数分解:

$3^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 120926208

約数和(自身を除く): 54010569

約数列:

[1, 3, 7, 9, 21, 27, 31, 47, 63, 81, 93, 141, 189, 217, 243, 279, 329, 423, 567, 651, 729, 837, 987, 1269, 1457, 1701, 1953, 2187, 2511, 2961, 3807, 4371, 5103, 5859, 6561, 7533, 8883, 10199, 11421, 13113, 15309, 17577, 22599, 26649, 30597, 34263, 39339, 45927, 52731, 67797, 79947, 91791, 102789, 118017, 158193, 203391, 239841, 275373, 308367, 354051, 474579, 719523, 826119, 1062153, 1423737, 2158569, 2478357, 3186459, 7435071, 9559377, 22305213, 66915639]

約数ペア:

[(1, 66915639), (3, 22305213), (7, 9559377), (9, 7435071), (21, 3186459), (27, 2478357), (31, 2158569), (47, 1423737), (63, 1062153), (81, 826119), (93, 719523), (141, 474579), (189, 354051), (217, 308367), (243, 275373), (279, 239841), (329, 203391), (423, 158193), (567, 118017), (651, 102789), (729, 91791), (837, 79947), (987, 67797), (1269, 52731), (1457, 45927), (1701, 39339), (1953, 34263), (2187, 30597), (2511, 26649), (2961, 22599), (3807, 17577), (4371, 15309), (5103, 13113), (5859, 11421), (6561, 10199), (7533, 8883)]