181369839

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1811}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 292239360

約数和(自身を除く): 110869521

約数列:

[1, 3, 7, 19, 21, 57, 133, 251, 399, 753, 1757, 1811, 4769, 5271, 5433, 12677, 14307, 33383, 34409, 38031, 100149, 103227, 240863, 454561, 722589, 1363683, 3181927, 8636659, 9545781, 25909977, 60456613, 181369839]

約数ペア:

[(1, 181369839), (3, 60456613), (7, 25909977), (19, 9545781), (21, 8636659), (57, 3181927), (133, 1363683), (251, 722589), (399, 454561), (753, 240863), (1757, 103227), (1811, 100149), (4769, 38031), (5271, 34409), (5433, 33383), (12677, 14307)]