19951245

素因数分解:

$3^3\times 5^1\times {\mathrm{147787}}^1$

素因数の和:147801

約数の個数: 16

約数和(自身を含む): 35469120

約数和(自身を除く): 15517875

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 147787, 443361, 738935, 1330083, 2216805, 3990249, 6650415, 19951245]

約数ペア:

[(1, 19951245), (3, 6650415), (5, 3990249), (9, 2216805), (15, 1330083), (27, 738935), (45, 443361), (135, 147787)]