421215205329

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1\times {\mathrm{7727}}^1$

素因数の和:8286

約数の個数: 48

約数和(自身を含む): 618678208512

約数和(自身を除く): 197463003183

約数列:

[1, 3, 9, 157, 173, 223, 471, 519, 669, 1413, 1557, 2007, 7727, 23181, 27161, 35011, 38579, 69543, 81483, 105033, 115737, 244449, 315099, 347211, 1213139, 1336771, 1723121, 3639417, 4010313, 5169363, 6056903, 10918251, 12030939, 15508089, 18170709, 54512127, 209873047, 270529997, 298099933, 629619141, 811589991, 894299799, 1888857423, 2434769973, 2682899397, 46801689481, 140405068443, 421215205329]

約数ペア:

[(1, 421215205329), (3, 140405068443), (9, 46801689481), (157, 2682899397), (173, 2434769973), (223, 1888857423), (471, 894299799), (519, 811589991), (669, 629619141), (1413, 298099933), (1557, 270529997), (2007, 209873047), (7727, 54512127), (23181, 18170709), (27161, 15508089), (35011, 12030939), (38579, 10918251), (69543, 6056903), (81483, 5169363), (105033, 4010313), (115737, 3639417), (244449, 1723121), (315099, 1336771), (347211, 1213139)]