31474431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1787}}^1$

素因数の和:1915

約数の個数: 24

約数和(自身を含む): 48347520

約数和(自身を除く): 16873089

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 927, 1787, 1957, 5361, 5871, 16083, 17613, 33953, 101859, 184061, 305577, 552183, 1656549, 3497159, 10491477, 31474431]

約数ペア:

[(1, 31474431), (3, 10491477), (9, 3497159), (19, 1656549), (57, 552183), (103, 305577), (171, 184061), (309, 101859), (927, 33953), (1787, 17613), (1957, 16083), (5361, 5871)]