27209945

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 14158375

約数列:

[1, 5, 7, 17, 35, 47, 49, 85, 119, 139, 235, 245, 329, 595, 695, 799, 833, 973, 1645, 2303, 2363, 3995, 4165, 4865, 5593, 6533, 6811, 11515, 11815, 16541, 27965, 32665, 34055, 39151, 45731, 82705, 111061, 115787, 195755, 228655, 320117, 555305, 578935, 777427, 1600585, 3887135, 5441989, 27209945]

約数ペア:

[(1, 27209945), (5, 5441989), (7, 3887135), (17, 1600585), (35, 777427), (47, 578935), (49, 555305), (85, 320117), (119, 228655), (139, 195755), (235, 115787), (245, 111061), (329, 82705), (595, 45731), (695, 39151), (799, 34055), (833, 32665), (973, 27965), (1645, 16541), (2303, 11815), (2363, 11515), (3995, 6811), (4165, 6533), (4865, 5593)]