818832015

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{11437}}^1$

素因数の和:11528

約数の個数: 48

約数和(自身を含む): 1491698208

約数和(自身を除く): 672866193

約数列:

[1, 3, 5, 9, 15, 37, 43, 45, 111, 129, 185, 215, 333, 387, 555, 645, 1591, 1665, 1935, 4773, 7955, 11437, 14319, 23865, 34311, 57185, 71595, 102933, 171555, 423169, 491791, 514665, 1269507, 1475373, 2115845, 2458955, 3808521, 4426119, 6347535, 7376865, 18196267, 19042605, 22130595, 54588801, 90981335, 163766403, 272944005, 818832015]

約数ペア:

[(1, 818832015), (3, 272944005), (5, 163766403), (9, 90981335), (15, 54588801), (37, 22130595), (43, 19042605), (45, 18196267), (111, 7376865), (129, 6347535), (185, 4426119), (215, 3808521), (333, 2458955), (387, 2115845), (555, 1475373), (645, 1269507), (1591, 514665), (1665, 491791), (1935, 423169), (4773, 171555), (7955, 102933), (11437, 71595), (14319, 57185), (23865, 34311)]