51305475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 92431584

約数和(自身を除く): 41126109

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 101, 195, 303, 325, 505, 521, 975, 1313, 1515, 1563, 2525, 2605, 3939, 6565, 6773, 7575, 7815, 13025, 19695, 20319, 32825, 33865, 39075, 52621, 98475, 101595, 157863, 169325, 263105, 507975, 684073, 789315, 1315525, 2052219, 3420365, 3946575, 10261095, 17101825, 51305475]

約数ペア:

[(1, 51305475), (3, 17101825), (5, 10261095), (13, 3946575), (15, 3420365), (25, 2052219), (39, 1315525), (65, 789315), (75, 684073), (101, 507975), (195, 263105), (303, 169325), (325, 157863), (505, 101595), (521, 98475), (975, 52621), (1313, 39075), (1515, 33865), (1563, 32825), (2525, 20319), (2605, 19695), (3939, 13025), (6565, 7815), (6773, 7575)]