56147787

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{21587}}^1$

素因数の和:21627

約数の個数: 18

約数和(自身を含む): 86157708

約数和(自身を除く): 30009921

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 21587, 64761, 194283, 366979, 1100937, 3302811, 6238643, 18715929, 56147787]

約数ペア:

[(1, 56147787), (3, 18715929), (9, 6238643), (17, 3302811), (51, 1100937), (153, 366979), (289, 194283), (867, 64761), (2601, 21587)]