65378025

素因数分解:

$3^2\times 5^2\times {\mathrm{223}}^1\times {\mathrm{1303}}^1$

素因数の和:1542

約数の個数: 36

約数和(自身を含む): 117714688

約数和(自身を除く): 52336663

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 223, 225, 669, 1115, 1303, 2007, 3345, 3909, 5575, 6515, 10035, 11727, 16725, 19545, 32575, 50175, 58635, 97725, 290569, 293175, 871707, 1452845, 2615121, 4358535, 7264225, 13075605, 21792675, 65378025]

約数ペア:

[(1, 65378025), (3, 21792675), (5, 13075605), (9, 7264225), (15, 4358535), (25, 2615121), (45, 1452845), (75, 871707), (223, 293175), (225, 290569), (669, 97725), (1115, 58635), (1303, 50175), (2007, 32575), (3345, 19545), (3909, 16725), (5575, 11727), (6515, 10035)]