28913247

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1453}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 47458560

約数和(自身を除く): 18545313

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 201, 297, 603, 737, 1453, 1809, 2211, 4359, 6633, 13077, 15983, 19899, 39231, 47949, 97351, 143847, 292053, 431541, 876159, 1070861, 2628477, 3212583, 9637749, 28913247]

約数ペア:

[(1, 28913247), (3, 9637749), (9, 3212583), (11, 2628477), (27, 1070861), (33, 876159), (67, 431541), (99, 292053), (201, 143847), (297, 97351), (603, 47949), (737, 39231), (1453, 19899), (1809, 15983), (2211, 13077), (4359, 6633)]