280707957

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{8167}}^1$

素因数の和:8262

約数の個数: 32

約数和(自身を含む): 444339200

約数和(自身を除く): 163631243

約数列:

[1, 3, 9, 19, 27, 57, 67, 171, 201, 513, 603, 1273, 1809, 3819, 8167, 11457, 24501, 34371, 73503, 155173, 220509, 465519, 547189, 1396557, 1641567, 4189671, 4924701, 10396591, 14774103, 31189773, 93569319, 280707957]

約数ペア:

[(1, 280707957), (3, 93569319), (9, 31189773), (19, 14774103), (27, 10396591), (57, 4924701), (67, 4189671), (171, 1641567), (201, 1396557), (513, 547189), (603, 465519), (1273, 220509), (1809, 155173), (3819, 73503), (8167, 34371), (11457, 24501)]