71654643

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^2$

素因数の和:356

約数の個数: 36

約数和(自身を含む): 116096760

約数和(自身を除く): 44442117

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 157, 171, 323, 471, 969, 1413, 2669, 2907, 2983, 8007, 8949, 24021, 24649, 26847, 50711, 73947, 152133, 221841, 419033, 456399, 468331, 1257099, 1404993, 3771297, 4214979, 7961627, 23884881, 71654643]

約数ペア:

[(1, 71654643), (3, 23884881), (9, 7961627), (17, 4214979), (19, 3771297), (51, 1404993), (57, 1257099), (153, 468331), (157, 456399), (171, 419033), (323, 221841), (471, 152133), (969, 73947), (1413, 50711), (2669, 26847), (2907, 24649), (2983, 24021), (8007, 8949)]