6781471425

素因数分解:

$3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{1721}}^1$

素因数の和:2031

約数の個数: 72

約数和(自身を含む): 12358146528

約数和(自身を除く): 5576675103

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 211, 225, 249, 415, 633, 747, 1055, 1245, 1721, 1899, 2075, 3165, 3735, 5163, 5275, 6225, 8605, 9495, 15489, 15825, 17513, 18675, 25815, 43025, 47475, 52539, 77445, 87565, 129075, 142843, 157617, 262695, 363131, 387225, 428529, 437825, 714215, 788085, 1089393, 1285587, 1313475, 1815655, 2142645, 3268179, 3571075, 3940425, 5446965, 6427935, 9078275, 10713225, 16340895, 27234825, 30139873, 32139675, 81704475, 90419619, 150699365, 271258857, 452098095, 753496825, 1356294285, 2260490475, 6781471425]

約数ペア:

[(1, 6781471425), (3, 2260490475), (5, 1356294285), (9, 753496825), (15, 452098095), (25, 271258857), (45, 150699365), (75, 90419619), (83, 81704475), (211, 32139675), (225, 30139873), (249, 27234825), (415, 16340895), (633, 10713225), (747, 9078275), (1055, 6427935), (1245, 5446965), (1721, 3940425), (1899, 3571075), (2075, 3268179), (3165, 2142645), (3735, 1815655), (5163, 1313475), (5275, 1285587), (6225, 1089393), (8605, 788085), (9495, 714215), (15489, 437825), (15825, 428529), (17513, 387225), (18675, 363131), (25815, 262695), (43025, 157617), (47475, 142843), (52539, 129075), (77445, 87565)]