17780817

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{587}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 7056303

約数列:

[1, 3, 23, 69, 439, 587, 1317, 1761, 10097, 13501, 30291, 40503, 257693, 773079, 5926939, 17780817]

約数ペア:

[(1, 17780817), (3, 5926939), (23, 773079), (69, 257693), (439, 40503), (587, 30291), (1317, 13501), (1761, 10097)]