72764319

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 105569280

約数和(自身を除く): 32804961

約数列:

[1, 3, 19, 47, 57, 141, 157, 173, 471, 519, 893, 2679, 2983, 3287, 7379, 8131, 8949, 9861, 22137, 24393, 27161, 81483, 140201, 154489, 420603, 463467, 516059, 1276567, 1548177, 3829701, 24254773, 72764319]

約数ペア:

[(1, 72764319), (3, 24254773), (19, 3829701), (47, 1548177), (57, 1276567), (141, 516059), (157, 463467), (173, 420603), (471, 154489), (519, 140201), (893, 81483), (2679, 27161), (2983, 24393), (3287, 22137), (7379, 9861), (8131, 8949)]