64812345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 115492032

約数和(自身を除く): 50679687

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 169, 185, 195, 481, 507, 555, 691, 845, 1443, 2073, 2405, 2535, 3455, 6253, 7215, 8983, 10365, 18759, 25567, 26949, 31265, 44915, 76701, 93795, 116779, 127835, 134745, 332371, 350337, 383505, 583895, 997113, 1661855, 1751685, 4320823, 4985565, 12962469, 21604115, 64812345]

約数ペア:

[(1, 64812345), (3, 21604115), (5, 12962469), (13, 4985565), (15, 4320823), (37, 1751685), (39, 1661855), (65, 997113), (111, 583895), (169, 383505), (185, 350337), (195, 332371), (481, 134745), (507, 127835), (555, 116779), (691, 93795), (845, 76701), (1443, 44915), (2073, 31265), (2405, 26949), (2535, 25567), (3455, 18759), (6253, 10365), (7215, 8983)]