716635521

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{1493}}^1$

素因数の和:1926

約数の個数: 48

約数和(自身を含む): 1249223040

約数和(自身を除く): 532587519

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 401, 1197, 1203, 1493, 2807, 3609, 4479, 7619, 8421, 10451, 13437, 22857, 25263, 28367, 31353, 53333, 68571, 85101, 94059, 159999, 198569, 255303, 479997, 595707, 598693, 1787121, 1796079, 4190851, 5388237, 11375167, 12572553, 34125501, 37717659, 79626169, 102376503, 238878507, 716635521]

約数ペア:

[(1, 716635521), (3, 238878507), (7, 102376503), (9, 79626169), (19, 37717659), (21, 34125501), (57, 12572553), (63, 11375167), (133, 5388237), (171, 4190851), (399, 1796079), (401, 1787121), (1197, 598693), (1203, 595707), (1493, 479997), (2807, 255303), (3609, 198569), (4479, 159999), (7619, 94059), (8421, 85101), (10451, 68571), (13437, 53333), (22857, 31353), (25263, 28367)]