172370457

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^2$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 301653120

約数和(自身を除く): 129282663

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 157, 189, 259, 333, 471, 777, 999, 1099, 1413, 2331, 3297, 4239, 5809, 6993, 9891, 17427, 24649, 29673, 40663, 52281, 73947, 121989, 156843, 172543, 221841, 365967, 517629, 665523, 912013, 1097901, 1552887, 2736039, 4658661, 6384091, 8208117, 19152273, 24624351, 57456819, 172370457]

約数ペア:

[(1, 172370457), (3, 57456819), (7, 24624351), (9, 19152273), (21, 8208117), (27, 6384091), (37, 4658661), (63, 2736039), (111, 1552887), (157, 1097901), (189, 912013), (259, 665523), (333, 517629), (471, 365967), (777, 221841), (999, 172543), (1099, 156843), (1413, 121989), (2331, 73947), (3297, 52281), (4239, 40663), (5809, 29673), (6993, 24649), (9891, 17427)]