243375145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{857}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 334702368

約数和(自身を除く): 91327223

約数列:

[1, 5, 13, 17, 65, 85, 221, 257, 857, 1105, 1285, 3341, 4285, 4369, 11141, 14569, 16705, 21845, 55705, 56797, 72845, 189397, 220249, 283985, 946985, 1101245, 2863237, 3744233, 14316185, 18721165, 48675029, 243375145]

約数ペア:

[(1, 243375145), (5, 48675029), (13, 18721165), (17, 14316185), (65, 3744233), (85, 2863237), (221, 1101245), (257, 946985), (857, 283985), (1105, 220249), (1285, 189397), (3341, 72845), (4285, 56797), (4369, 55705), (11141, 21845), (14569, 16705)]