138203205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 267079680

約数和(自身を除く): 128876475

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 89, 105, 115, 161, 267, 345, 445, 483, 623, 643, 805, 1335, 1869, 1929, 2047, 2415, 3115, 3215, 4501, 6141, 9345, 9645, 10235, 13503, 14329, 14789, 22505, 30705, 42987, 44367, 57227, 67515, 71645, 73945, 103523, 171681, 214935, 221835, 286135, 310569, 400589, 517615, 858405, 1201767, 1316221, 1552845, 2002945, 3948663, 6008835, 6581105, 9213547, 19743315, 27640641, 46067735, 138203205]

約数ペア:

[(1, 138203205), (3, 46067735), (5, 27640641), (7, 19743315), (15, 9213547), (21, 6581105), (23, 6008835), (35, 3948663), (69, 2002945), (89, 1552845), (105, 1316221), (115, 1201767), (161, 858405), (267, 517615), (345, 400589), (445, 310569), (483, 286135), (623, 221835), (643, 214935), (805, 171681), (1335, 103523), (1869, 73945), (1929, 71645), (2047, 67515), (2415, 57227), (3115, 44367), (3215, 42987), (4501, 30705), (6141, 22505), (9345, 14789), (9645, 14329), (10235, 13503)]