72913905

素因数分解:

$3^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1993}}^1$

素因数の和:2278

約数の個数: 32

約数和(自身を含む): 130168320

約数和(自身を除く): 57254415

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 271, 813, 1355, 1993, 2439, 4065, 5979, 7317, 9965, 12195, 17937, 29895, 36585, 53811, 89685, 269055, 540103, 1620309, 2700515, 4860927, 8101545, 14582781, 24304635, 72913905]

約数ペア:

[(1, 72913905), (3, 24304635), (5, 14582781), (9, 8101545), (15, 4860927), (27, 2700515), (45, 1620309), (135, 540103), (271, 269055), (813, 89685), (1355, 53811), (1993, 36585), (2439, 29895), (4065, 17937), (5979, 12195), (7317, 9965)]