31861245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1499}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 55440000

約数和(自身を除く): 23578755

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 1417, 1499, 1635, 4251, 4497, 7085, 7495, 19487, 21255, 22485, 58461, 97435, 163391, 292305, 490173, 816955, 2124083, 2450865, 6372249, 10620415, 31861245]

約数ペア:

[(1, 31861245), (3, 10620415), (5, 6372249), (13, 2450865), (15, 2124083), (39, 816955), (65, 490173), (109, 292305), (195, 163391), (327, 97435), (545, 58461), (1417, 22485), (1499, 21255), (1635, 19487), (4251, 7495), (4497, 7085)]