557739

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 1021440

約数和(自身を除く): 463701

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 227, 273, 351, 681, 819, 1589, 2043, 2457, 2951, 4767, 6129, 8853, 14301, 20657, 26559, 42903, 61971, 79677, 185913, 557739]

約数ペア:

[(1, 557739), (3, 185913), (7, 79677), (9, 61971), (13, 42903), (21, 26559), (27, 20657), (39, 14301), (63, 8853), (91, 6129), (117, 4767), (189, 2951), (227, 2457), (273, 2043), (351, 1589), (681, 819)]