201768645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{1279}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 348364800

約数和(自身を除く): 146596155

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 809, 1279, 2427, 3837, 4045, 6395, 10517, 12135, 16627, 19185, 31551, 49881, 52585, 83135, 157755, 249405, 1034711, 3104133, 5173555, 13451243, 15520665, 40353729, 67256215, 201768645]

約数ペア:

[(1, 201768645), (3, 67256215), (5, 40353729), (13, 15520665), (15, 13451243), (39, 5173555), (65, 3104133), (195, 1034711), (809, 249405), (1279, 157755), (2427, 83135), (3837, 52585), (4045, 49881), (6395, 31551), (10517, 19185), (12135, 16627)]