31120803

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25999}}^1$

素因数の和:26031

約数の個数: 24

約数和(自身を含む): 54080000

約数和(自身を除く): 22959197

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 25999, 77997, 181993, 233991, 493981, 545979, 1481943, 1637937, 3457867, 4445829, 10373601, 31120803]

約数ペア:

[(1, 31120803), (3, 10373601), (7, 4445829), (9, 3457867), (19, 1637937), (21, 1481943), (57, 545979), (63, 493981), (133, 233991), (171, 181993), (399, 77997), (1197, 25999)]