27638751

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 43319808

約数和(自身を除く): 15681057

約数列:

[1, 3, 7, 21, 83, 101, 157, 249, 303, 471, 581, 707, 1099, 1743, 2121, 3297, 8383, 13031, 15857, 25149, 39093, 47571, 58681, 91217, 110999, 176043, 273651, 332997, 1316131, 3948393, 9212917, 27638751]

約数ペア:

[(1, 27638751), (3, 9212917), (7, 3948393), (21, 1316131), (83, 332997), (101, 273651), (157, 176043), (249, 110999), (303, 91217), (471, 58681), (581, 47571), (707, 39093), (1099, 25149), (1743, 15857), (2121, 13031), (3297, 8383)]