40670721

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16553}}^1$

素因数の和:16582

約数の個数: 32

約数和(自身を含む): 74161920

約数和(自身を除く): 33491199

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 16553, 49659, 115871, 148977, 215189, 347613, 446931, 645567, 1042839, 1506323, 1936701, 3128517, 4518969, 5810103, 13556907, 40670721]

約数ペア:

[(1, 40670721), (3, 13556907), (7, 5810103), (9, 4518969), (13, 3128517), (21, 1936701), (27, 1506323), (39, 1042839), (63, 645567), (91, 446931), (117, 347613), (189, 215189), (273, 148977), (351, 115871), (819, 49659), (2457, 16553)]