51547209

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 89026560

約数和(自身を除く): 37479351

約数列:

[1, 3, 7, 19, 21, 23, 41, 57, 69, 123, 133, 137, 161, 287, 399, 411, 437, 483, 779, 861, 943, 959, 1311, 2337, 2603, 2829, 2877, 3059, 3151, 5453, 5617, 6601, 7809, 9177, 9453, 16359, 16851, 17917, 18221, 19803, 22057, 39319, 53751, 54663, 59869, 66171, 106723, 117957, 125419, 129191, 179607, 320169, 376257, 387573, 419083, 747061, 904337, 1257249, 2241183, 2454629, 2713011, 7363887, 17182403, 51547209]

約数ペア:

[(1, 51547209), (3, 17182403), (7, 7363887), (19, 2713011), (21, 2454629), (23, 2241183), (41, 1257249), (57, 904337), (69, 747061), (123, 419083), (133, 387573), (137, 376257), (161, 320169), (287, 179607), (399, 129191), (411, 125419), (437, 117957), (483, 106723), (779, 66171), (861, 59869), (943, 54663), (959, 53751), (1311, 39319), (2337, 22057), (2603, 19803), (2829, 18221), (2877, 17917), (3059, 16851), (3151, 16359), (5453, 9453), (5617, 9177), (6601, 7809)]