17900433

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1226

約数の個数: 20

約数和(自身を含む): 26887168

約数和(自身を除く): 8986735

約数列:

[1, 3, 9, 27, 81, 223, 669, 991, 2007, 2973, 6021, 8919, 18063, 26757, 80271, 220993, 662979, 1988937, 5966811, 17900433]

約数ペア:

[(1, 17900433), (3, 5966811), (9, 1988937), (27, 662979), (81, 220993), (223, 80271), (669, 26757), (991, 18063), (2007, 8919), (2973, 6021)]