40311855

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 72648576

約数和(自身を除く): 32336721

約数列:

[1, 3, 5, 9, 15, 43, 45, 83, 129, 215, 249, 251, 387, 415, 645, 747, 753, 1245, 1255, 1935, 2259, 3569, 3735, 3765, 10707, 10793, 11295, 17845, 20833, 32121, 32379, 53535, 53965, 62499, 97137, 104165, 160605, 161895, 187497, 312495, 485685, 895819, 937485, 2687457, 4479095, 8062371, 13437285, 40311855]

約数ペア:

[(1, 40311855), (3, 13437285), (5, 8062371), (9, 4479095), (15, 2687457), (43, 937485), (45, 895819), (83, 485685), (129, 312495), (215, 187497), (249, 161895), (251, 160605), (387, 104165), (415, 97137), (645, 62499), (747, 53965), (753, 53535), (1245, 32379), (1255, 32121), (1935, 20833), (2259, 17845), (3569, 11295), (3735, 10793), (3765, 10707)]