15721932081

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{6451}}^1$

素因数の和:6849

約数の個数: 32

約数和(自身を含む): 21972931200

約数和(自身を除く): 6250999119

約数列:

[1, 3, 29, 87, 109, 257, 327, 771, 3161, 6451, 7453, 9483, 19353, 22359, 28013, 84039, 187079, 561237, 703159, 812377, 1657907, 2109477, 2437131, 4973721, 20391611, 48079303, 61174833, 144237909, 180711863, 542135589, 5240644027, 15721932081]

約数ペア:

[(1, 15721932081), (3, 5240644027), (29, 542135589), (87, 180711863), (109, 144237909), (257, 61174833), (327, 48079303), (771, 20391611), (3161, 4973721), (6451, 2437131), (7453, 2109477), (9483, 1657907), (19353, 812377), (22359, 703159), (28013, 561237), (84039, 187079)]