90856311

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 155947008

約数和(自身を除く): 65090697

約数列:

[1, 3, 7, 13, 21, 39, 47, 73, 91, 97, 141, 219, 273, 291, 329, 511, 611, 679, 949, 987, 1261, 1533, 1833, 2037, 2847, 3431, 3783, 4277, 4559, 6643, 7081, 8827, 10293, 12831, 13677, 19929, 21243, 24017, 26481, 31913, 44603, 49567, 59267, 72051, 92053, 95739, 133809, 148701, 177801, 276159, 312221, 332807, 414869, 644371, 936663, 998421, 1244607, 1933113, 2329649, 4326491, 6988947, 12979473, 30285437, 90856311]

約数ペア:

[(1, 90856311), (3, 30285437), (7, 12979473), (13, 6988947), (21, 4326491), (39, 2329649), (47, 1933113), (73, 1244607), (91, 998421), (97, 936663), (141, 644371), (219, 414869), (273, 332807), (291, 312221), (329, 276159), (511, 177801), (611, 148701), (679, 133809), (949, 95739), (987, 92053), (1261, 72051), (1533, 59267), (1833, 49567), (2037, 44603), (2847, 31913), (3431, 26481), (3783, 24017), (4277, 21243), (4559, 19929), (6643, 13677), (7081, 12831), (8827, 10293)]