31080321

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 48291840

約数和(自身を除く): 17211519

約数列:

[1, 3, 9, 27, 31, 71, 93, 213, 279, 523, 639, 837, 1569, 1917, 2201, 4707, 6603, 14121, 16213, 19809, 37133, 48639, 59427, 111399, 145917, 334197, 437751, 1002591, 1151123, 3453369, 10360107, 31080321]

約数ペア:

[(1, 31080321), (3, 10360107), (9, 3453369), (27, 1151123), (31, 1002591), (71, 437751), (93, 334197), (213, 145917), (279, 111399), (523, 59427), (639, 48639), (837, 37133), (1569, 19809), (1917, 16213), (2201, 14121), (4707, 6603)]